Home / 109,512.09-164,269.44-42,983.55

Finding the Fourth Proportional to 109,512.09, 164,269.44 and 42,983.55

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Solution

The fourth proportional to 109,512.09, 164,269.44 and 42,983.55 is: 64,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.09 : 164,269.44 = 42,983.55 : x
  2. Step 2: Convert to fraction form
    109,512.09/164,269.44 = 42,983.55/x
  3. Step 3: Cross multiply
    109,512.09x = 164,269.44 × 42,983.55
  4. Step 4: Simplify right side
    109,512.09x = 7,060,883,687.71
  5. Step 5: Solve for x
    x = 7,060,883,687.71/109,512.09
  6. Step 6: Final answer
    x = 64,475.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.