Home / 145,867.55-218,781.89-40,677.71

Finding the Fourth Proportional to 145,867.55, 218,781.89 and 40,677.71

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Solution

The fourth proportional to 145,867.55, 218,781.89 and 40,677.71 is: 61,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.55 : 218,781.89 = 40,677.71 : x
  2. Step 2: Convert to fraction form
    145,867.55/218,781.89 = 40,677.71/x
  3. Step 3: Cross multiply
    145,867.55x = 218,781.89 × 40,677.71
  4. Step 4: Simplify right side
    145,867.55x = 8,899,546,071.28
  5. Step 5: Solve for x
    x = 8,899,546,071.28/145,867.55
  6. Step 6: Final answer
    x = 61,011.14

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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.