Home / 113,223.60-169,727.40-42,127.20

Finding the Fourth Proportional to 113,223.60, 169,727.40 and 42,127.20

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Solution

The fourth proportional to 113,223.60, 169,727.40 and 42,127.20 is: 63,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,223.60 : 169,727.40 = 42,127.20 : x
  2. Step 2: Convert to fraction form
    113,223.60/169,727.40 = 42,127.20/x
  3. Step 3: Cross multiply
    113,223.60x = 169,727.40 × 42,127.20
  4. Step 4: Simplify right side
    113,223.60x = 7,150,140,125.28
  5. Step 5: Solve for x
    x = 7,150,140,125.28/113,223.60
  6. Step 6: Final answer
    x = 63,150.62

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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.