Home / 134,708.32-185,898.72-74,281.36

Finding the Fourth Proportional to 134,708.32, 185,898.72 and 74,281.36

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Solution

The fourth proportional to 134,708.32, 185,898.72 and 74,281.36 is: 102,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,708.32 : 185,898.72 = 74,281.36 : x
  2. Step 2: Convert to fraction form
    134,708.32/185,898.72 = 74,281.36/x
  3. Step 3: Cross multiply
    134,708.32x = 185,898.72 × 74,281.36
  4. Step 4: Simplify right side
    134,708.32x = 13,808,809,743.86
  5. Step 5: Solve for x
    x = 13,808,809,743.86/134,708.32
  6. Step 6: Final answer
    x = 102,508.96

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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.