Home / 102,003.55-153,005.33-72,260.35

Finding the Fourth Proportional to 102,003.55, 153,005.33 and 72,260.35

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Solution

The fourth proportional to 102,003.55, 153,005.33 and 72,260.35 is: 108,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,003.55 : 153,005.33 = 72,260.35 : x
  2. Step 2: Convert to fraction form
    102,003.55/153,005.33 = 72,260.35/x
  3. Step 3: Cross multiply
    102,003.55x = 153,005.33 × 72,260.35
  4. Step 4: Simplify right side
    102,003.55x = 11,056,218,697.67
  5. Step 5: Solve for x
    x = 11,056,218,697.67/102,003.55
  6. Step 6: Final answer
    x = 108,390.53

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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.