Home / 144,299.43-216,497.13-90,929.74

Finding the Fourth Proportional to 144,299.43, 216,497.13 and 90,929.74

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Solution

The fourth proportional to 144,299.43, 216,497.13 and 90,929.74 is: 136,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,299.43 : 216,497.13 = 90,929.74 : x
  2. Step 2: Convert to fraction form
    144,299.43/216,497.13 = 90,929.74/x
  3. Step 3: Cross multiply
    144,299.43x = 216,497.13 × 90,929.74
  4. Step 4: Simplify right side
    144,299.43x = 19,686,027,741.65
  5. Step 5: Solve for x
    x = 19,686,027,741.65/144,299.43
  6. Step 6: Final answer
    x = 136,424.85

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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.