Home / 166,319.30-249,635.55-87,490.10

Finding the Fourth Proportional to 166,319.30, 249,635.55 and 87,490.10

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Solution

The fourth proportional to 166,319.30, 249,635.55 and 87,490.10 is: 131,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,319.30 : 249,635.55 = 87,490.10 : x
  2. Step 2: Convert to fraction form
    166,319.30/249,635.55 = 87,490.10/x
  3. Step 3: Cross multiply
    166,319.30x = 249,635.55 × 87,490.10
  4. Step 4: Simplify right side
    166,319.30x = 21,840,639,233.06
  5. Step 5: Solve for x
    x = 21,840,639,233.06/166,319.30
  6. Step 6: Final answer
    x = 131,317.53

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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.