Home / 134,614.40-185,769.08-74,187.18

Finding the Fourth Proportional to 134,614.40, 185,769.08 and 74,187.18

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Solution

The fourth proportional to 134,614.40, 185,769.08 and 74,187.18 is: 102,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,614.40 : 185,769.08 = 74,187.18 : x
  2. Step 2: Convert to fraction form
    134,614.40/185,769.08 = 74,187.18/x
  3. Step 3: Cross multiply
    134,614.40x = 185,769.08 × 74,187.18
  4. Step 4: Simplify right side
    134,614.40x = 13,781,684,176.39
  5. Step 5: Solve for x
    x = 13,781,684,176.39/134,614.40
  6. Step 6: Final answer
    x = 102,378.97

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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.