Home / 132,031.02-182,001.24-80,949.18

Finding the Fourth Proportional to 132,031.02, 182,001.24 and 80,949.18

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Solution

The fourth proportional to 132,031.02, 182,001.24 and 80,949.18 is: 111,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.02 : 182,001.24 = 80,949.18 : x
  2. Step 2: Convert to fraction form
    132,031.02/182,001.24 = 80,949.18/x
  3. Step 3: Cross multiply
    132,031.02x = 182,001.24 × 80,949.18
  4. Step 4: Simplify right side
    132,031.02x = 14,732,851,136.98
  5. Step 5: Solve for x
    x = 14,732,851,136.98/132,031.02
  6. Step 6: Final answer
    x = 111,586.29

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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.