Home / 144,382.87-216,589.15-54,501.28

Finding the Fourth Proportional to 144,382.87, 216,589.15 and 54,501.28

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Solution

The fourth proportional to 144,382.87, 216,589.15 and 54,501.28 is: 81,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,382.87 : 216,589.15 = 54,501.28 : x
  2. Step 2: Convert to fraction form
    144,382.87/216,589.15 = 54,501.28/x
  3. Step 3: Cross multiply
    144,382.87x = 216,589.15 × 54,501.28
  4. Step 4: Simplify right side
    144,382.87x = 11,804,386,347.51
  5. Step 5: Solve for x
    x = 11,804,386,347.51/144,382.87
  6. Step 6: Final answer
    x = 81,757.53

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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.