Home / 166,248.45-249,456.11-77,508.90

Finding the Fourth Proportional to 166,248.45, 249,456.11 and 77,508.90

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Solution

The fourth proportional to 166,248.45, 249,456.11 and 77,508.90 is: 116,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,248.45 : 249,456.11 = 77,508.90 : x
  2. Step 2: Convert to fraction form
    166,248.45/249,456.11 = 77,508.90/x
  3. Step 3: Cross multiply
    166,248.45x = 249,456.11 × 77,508.90
  4. Step 4: Simplify right side
    166,248.45x = 19,335,068,296.83
  5. Step 5: Solve for x
    x = 19,335,068,296.83/166,248.45
  6. Step 6: Final answer
    x = 116,302.25

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1.5x scale

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.