Home / 144,052.48-216,078.72-38,871.28

Finding the Fourth Proportional to 144,052.48, 216,078.72 and 38,871.28

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Solution

The fourth proportional to 144,052.48, 216,078.72 and 38,871.28 is: 58,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.48 : 216,078.72 = 38,871.28 : x
  2. Step 2: Convert to fraction form
    144,052.48/216,078.72 = 38,871.28/x
  3. Step 3: Cross multiply
    144,052.48x = 216,078.72 × 38,871.28
  4. Step 4: Simplify right side
    144,052.48x = 8,399,255,152.41
  5. Step 5: Solve for x
    x = 8,399,255,152.41/144,052.48
  6. Step 6: Final answer
    x = 58,306.91

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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.