Home / 145,864.96-218,799.18-40,677.52

Finding the Fourth Proportional to 145,864.96, 218,799.18 and 40,677.52

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Solution

The fourth proportional to 145,864.96, 218,799.18 and 40,677.52 is: 61,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,864.96 : 218,799.18 = 40,677.52 : x
  2. Step 2: Convert to fraction form
    145,864.96/218,799.18 = 40,677.52/x
  3. Step 3: Cross multiply
    145,864.96x = 218,799.18 × 40,677.52
  4. Step 4: Simplify right side
    145,864.96x = 8,900,208,020.43
  5. Step 5: Solve for x
    x = 8,900,208,020.43/145,864.96
  6. Step 6: Final answer
    x = 61,016.77

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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.