Home / 102,031.34-152,275.44-99,374.13

Finding the Fourth Proportional to 102,031.34, 152,275.44 and 99,374.13

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Solution

The fourth proportional to 102,031.34, 152,275.44 and 99,374.13 is: 148,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.34 : 152,275.44 = 99,374.13 : x
  2. Step 2: Convert to fraction form
    102,031.34/152,275.44 = 99,374.13/x
  3. Step 3: Cross multiply
    102,031.34x = 152,275.44 × 99,374.13
  4. Step 4: Simplify right side
    102,031.34x = 15,132,239,743.02
  5. Step 5: Solve for x
    x = 15,132,239,743.02/102,031.34
  6. Step 6: Final answer
    x = 148,309.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.