Home / 144,304.53-216,456.78-39,120.76

Finding the Fourth Proportional to 144,304.53, 216,456.78 and 39,120.76

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Solution

The fourth proportional to 144,304.53, 216,456.78 and 39,120.76 is: 58,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,304.53 : 216,456.78 = 39,120.76 : x
  2. Step 2: Convert to fraction form
    144,304.53/216,456.78 = 39,120.76/x
  3. Step 3: Cross multiply
    144,304.53x = 216,456.78 × 39,120.76
  4. Step 4: Simplify right side
    144,304.53x = 8,467,953,740.75
  5. Step 5: Solve for x
    x = 8,467,953,740.75/144,304.53
  6. Step 6: Final answer
    x = 58,681.14

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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.