Home / 144,319.47-216,499.59-44,487.78

Finding the Fourth Proportional to 144,319.47, 216,499.59 and 44,487.78

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Solution

The fourth proportional to 144,319.47, 216,499.59 and 44,487.78 is: 66,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,319.47 : 216,499.59 = 44,487.78 : x
  2. Step 2: Convert to fraction form
    144,319.47/216,499.59 = 44,487.78/x
  3. Step 3: Cross multiply
    144,319.47x = 216,499.59 × 44,487.78
  4. Step 4: Simplify right side
    144,319.47x = 9,631,586,130.01
  5. Step 5: Solve for x
    x = 9,631,586,130.01/144,319.47
  6. Step 6: Final answer
    x = 66,737.95

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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.