Home / 145,929.80-218,979.11-61,684.52

Finding the Fourth Proportional to 145,929.80, 218,979.11 and 61,684.52

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Solution

The fourth proportional to 145,929.80, 218,979.11 and 61,684.52 is: 92,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,929.80 : 218,979.11 = 61,684.52 : x
  2. Step 2: Convert to fraction form
    145,929.80/218,979.11 = 61,684.52/x
  3. Step 3: Cross multiply
    145,929.80x = 218,979.11 × 61,684.52
  4. Step 4: Simplify right side
    145,929.80x = 13,507,620,349.69
  5. Step 5: Solve for x
    x = 13,507,620,349.69/145,929.80
  6. Step 6: Final answer
    x = 92,562.45

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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.