Home / 239,862.47-359,730.95-71,337.40

Finding the Fourth Proportional to 239,862.47, 359,730.95 and 71,337.40

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Solution

The fourth proportional to 239,862.47, 359,730.95 and 71,337.40 is: 106,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,862.47 : 359,730.95 = 71,337.40 : x
  2. Step 2: Convert to fraction form
    239,862.47/359,730.95 = 71,337.40/x
  3. Step 3: Cross multiply
    239,862.47x = 359,730.95 × 71,337.40
  4. Step 4: Simplify right side
    239,862.47x = 25,662,269,416.52
  5. Step 5: Solve for x
    x = 25,662,269,416.52/239,862.47
  6. Step 6: Final answer
    x = 106,987.43

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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.