Home / 127,630.08-176,089.68-71,031.60

Finding the Fourth Proportional to 127,630.08, 176,089.68 and 71,031.60

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Solution

The fourth proportional to 127,630.08, 176,089.68 and 71,031.60 is: 98,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.08 : 176,089.68 = 71,031.60 : x
  2. Step 2: Convert to fraction form
    127,630.08/176,089.68 = 71,031.60/x
  3. Step 3: Cross multiply
    127,630.08x = 176,089.68 × 71,031.60
  4. Step 4: Simplify right side
    127,630.08x = 12,507,931,713.89
  5. Step 5: Solve for x
    x = 12,507,931,713.89/127,630.08
  6. Step 6: Final answer
    x = 98,001.44

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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.