Home / 166,276.60-249,269.10-99,743.20

Finding the Fourth Proportional to 166,276.60, 249,269.10 and 99,743.20

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Solution

The fourth proportional to 166,276.60, 249,269.10 and 99,743.20 is: 149,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,276.60 : 249,269.10 = 99,743.20 : x
  2. Step 2: Convert to fraction form
    166,276.60/249,269.10 = 99,743.20/x
  3. Step 3: Cross multiply
    166,276.60x = 249,269.10 × 99,743.20
  4. Step 4: Simplify right side
    166,276.60x = 24,862,897,695.12
  5. Step 5: Solve for x
    x = 24,862,897,695.12/166,276.60
  6. Step 6: Final answer
    x = 149,527.34

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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.