Home / 135,328.08-186,753.15-74,902.92

Finding the Fourth Proportional to 135,328.08, 186,753.15 and 74,902.92

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Solution

The fourth proportional to 135,328.08, 186,753.15 and 74,902.92 is: 103,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,328.08 : 186,753.15 = 74,902.92 : x
  2. Step 2: Convert to fraction form
    135,328.08/186,753.15 = 74,902.92/x
  3. Step 3: Cross multiply
    135,328.08x = 186,753.15 × 74,902.92
  4. Step 4: Simplify right side
    135,328.08x = 13,988,356,254.20
  5. Step 5: Solve for x
    x = 13,988,356,254.20/135,328.08
  6. Step 6: Final answer
    x = 103,366.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.