Home / 425,159.14-637,828.66-140,833.58

Finding the Fourth Proportional to 425,159.14, 637,828.66 and 140,833.58

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Solution

The fourth proportional to 425,159.14, 637,828.66 and 140,833.58 is: 211,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,159.14 : 637,828.66 = 140,833.58 : x
  2. Step 2: Convert to fraction form
    425,159.14/637,828.66 = 140,833.58/x
  3. Step 3: Cross multiply
    425,159.14x = 637,828.66 × 140,833.58
  4. Step 4: Simplify right side
    425,159.14x = 89,827,693,614.40
  5. Step 5: Solve for x
    x = 89,827,693,614.40/425,159.14
  6. Step 6: Final answer
    x = 211,280.17

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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.