Home / 158,853.13-219,266.52-102,264.50

Finding the Fourth Proportional to 158,853.13, 219,266.52 and 102,264.50

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Solution

The fourth proportional to 158,853.13, 219,266.52 and 102,264.50 is: 141,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,853.13 : 219,266.52 = 102,264.50 : x
  2. Step 2: Convert to fraction form
    158,853.13/219,266.52 = 102,264.50/x
  3. Step 3: Cross multiply
    158,853.13x = 219,266.52 × 102,264.50
  4. Step 4: Simplify right side
    158,853.13x = 22,423,181,034.54
  5. Step 5: Solve for x
    x = 22,423,181,034.54/158,853.13
  6. Step 6: Final answer
    x = 141,156.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.