Home / 134,516.16-185,632.29-74,086.29

Finding the Fourth Proportional to 134,516.16, 185,632.29 and 74,086.29

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Solution

The fourth proportional to 134,516.16, 185,632.29 and 74,086.29 is: 102,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,516.16 : 185,632.29 = 74,086.29 : x
  2. Step 2: Convert to fraction form
    134,516.16/185,632.29 = 74,086.29/x
  3. Step 3: Cross multiply
    134,516.16x = 185,632.29 × 74,086.29
  4. Step 4: Simplify right side
    134,516.16x = 13,752,807,670.30
  5. Step 5: Solve for x
    x = 13,752,807,670.30/134,516.16
  6. Step 6: Final answer
    x = 102,239.07

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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.