Home / 109,470.29-151,070.67-64,137.42

Finding the Fourth Proportional to 109,470.29, 151,070.67 and 64,137.42

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Solution

The fourth proportional to 109,470.29, 151,070.67 and 64,137.42 is: 88,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,470.29 : 151,070.67 = 64,137.42 : x
  2. Step 2: Convert to fraction form
    109,470.29/151,070.67 = 64,137.42/x
  3. Step 3: Cross multiply
    109,470.29x = 151,070.67 × 64,137.42
  4. Step 4: Simplify right side
    109,470.29x = 9,689,283,011.47
  5. Step 5: Solve for x
    x = 9,689,283,011.47/109,470.29
  6. Step 6: Final answer
    x = 88,510.62

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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.