Home / 131,996.72-182,154.90-71,567.18

Finding the Fourth Proportional to 131,996.72, 182,154.90 and 71,567.18

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Solution

The fourth proportional to 131,996.72, 182,154.90 and 71,567.18 is: 98,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.72 : 182,154.90 = 71,567.18 : x
  2. Step 2: Convert to fraction form
    131,996.72/182,154.90 = 71,567.18/x
  3. Step 3: Cross multiply
    131,996.72x = 182,154.90 × 71,567.18
  4. Step 4: Simplify right side
    131,996.72x = 13,036,312,516.18
  5. Step 5: Solve for x
    x = 13,036,312,516.18/131,996.72
  6. Step 6: Final answer
    x = 98,762.40

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1.5x scale

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.