Home / 175,339.49-262,599.17-86,306.72

Finding the Fourth Proportional to 175,339.49, 262,599.17 and 86,306.72

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Solution

The fourth proportional to 175,339.49, 262,599.17 and 86,306.72 is: 129,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,339.49 : 262,599.17 = 86,306.72 : x
  2. Step 2: Convert to fraction form
    175,339.49/262,599.17 = 86,306.72/x
  3. Step 3: Cross multiply
    175,339.49x = 262,599.17 × 86,306.72
  4. Step 4: Simplify right side
    175,339.49x = 22,664,071,292.89
  5. Step 5: Solve for x
    x = 22,664,071,292.89/175,339.49
  6. Step 6: Final answer
    x = 129,258.23

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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.