Home / 144,981.47-217,536.79-56,241.89

Finding the Fourth Proportional to 144,981.47, 217,536.79 and 56,241.89

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Solution

The fourth proportional to 144,981.47, 217,536.79 and 56,241.89 is: 84,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,981.47 : 217,536.79 = 56,241.89 : x
  2. Step 2: Convert to fraction form
    144,981.47/217,536.79 = 56,241.89/x
  3. Step 3: Cross multiply
    144,981.47x = 217,536.79 × 56,241.89
  4. Step 4: Simplify right side
    144,981.47x = 12,234,681,130.71
  5. Step 5: Solve for x
    x = 12,234,681,130.71/144,981.47
  6. Step 6: Final answer
    x = 84,387.90

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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.