Home / 145,055.52-217,585.68-39,873.84

Finding the Fourth Proportional to 145,055.52, 217,585.68 and 39,873.84

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Solution

The fourth proportional to 145,055.52, 217,585.68 and 39,873.84 is: 59,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,055.52 : 217,585.68 = 39,873.84 : x
  2. Step 2: Convert to fraction form
    145,055.52/217,585.68 = 39,873.84/x
  3. Step 3: Cross multiply
    145,055.52x = 217,585.68 × 39,873.84
  4. Step 4: Simplify right side
    145,055.52x = 8,675,976,590.61
  5. Step 5: Solve for x
    x = 8,675,976,590.61/145,055.52
  6. Step 6: Final answer
    x = 59,811.42

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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.