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Finding the Fourth Proportional to 109,600.45, 153,596.15 and 109,600.45

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Solution

The fourth proportional to 109,600.45, 153,596.15 and 109,600.45 is: 153,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,600.45 : 153,596.15 = 109,600.45 : x
  2. Step 2: Convert to fraction form
    109,600.45/153,596.15 = 109,600.45/x
  3. Step 3: Cross multiply
    109,600.45x = 153,596.15 × 109,600.45
  4. Step 4: Simplify right side
    109,600.45x = 16,834,207,158.27
  5. Step 5: Solve for x
    x = 16,834,207,158.27/109,600.45
  6. Step 6: Final answer
    x = 153,596.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.