Home / 459,641.14-689,461.85-144,122.65

Finding the Fourth Proportional to 459,641.14, 689,461.85 and 144,122.65

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Solution

The fourth proportional to 459,641.14, 689,461.85 and 144,122.65 is: 216,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,641.14 : 689,461.85 = 144,122.65 : x
  2. Step 2: Convert to fraction form
    459,641.14/689,461.85 = 144,122.65/x
  3. Step 3: Cross multiply
    459,641.14x = 689,461.85 × 144,122.65
  4. Step 4: Simplify right side
    459,641.14x = 99,367,068,175.29
  5. Step 5: Solve for x
    x = 99,367,068,175.29/459,641.14
  6. Step 6: Final answer
    x = 216,184.02

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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.