Home / 134,681.18-185,861.32-74,254.16

Finding the Fourth Proportional to 134,681.18, 185,861.32 and 74,254.16

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Solution

The fourth proportional to 134,681.18, 185,861.32 and 74,254.16 is: 102,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.18 : 185,861.32 = 74,254.16 : x
  2. Step 2: Convert to fraction form
    134,681.18/185,861.32 = 74,254.16/x
  3. Step 3: Cross multiply
    134,681.18x = 185,861.32 × 74,254.16
  4. Step 4: Simplify right side
    134,681.18x = 13,800,976,472.11
  5. Step 5: Solve for x
    x = 13,800,976,472.11/134,681.18
  6. Step 6: Final answer
    x = 102,471.46

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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.