Home / 113,116.14-169,521.12-42,957.18

Finding the Fourth Proportional to 113,116.14, 169,521.12 and 42,957.18

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Solution

The fourth proportional to 113,116.14, 169,521.12 and 42,957.18 is: 64,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,116.14 : 169,521.12 = 42,957.18 : x
  2. Step 2: Convert to fraction form
    113,116.14/169,521.12 = 42,957.18/x
  3. Step 3: Cross multiply
    113,116.14x = 169,521.12 × 42,957.18
  4. Step 4: Simplify right side
    113,116.14x = 7,282,149,265.64
  5. Step 5: Solve for x
    x = 7,282,149,265.64/113,116.14
  6. Step 6: Final answer
    x = 64,377.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.