Home / 132,184.02-182,330.76-78,430.88

Finding the Fourth Proportional to 132,184.02, 182,330.76 and 78,430.88

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Solution

The fourth proportional to 132,184.02, 182,330.76 and 78,430.88 is: 108,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,184.02 : 182,330.76 = 78,430.88 : x
  2. Step 2: Convert to fraction form
    132,184.02/182,330.76 = 78,430.88/x
  3. Step 3: Cross multiply
    132,184.02x = 182,330.76 × 78,430.88
  4. Step 4: Simplify right side
    132,184.02x = 14,300,361,957.87
  5. Step 5: Solve for x
    x = 14,300,361,957.87/132,184.02
  6. Step 6: Final answer
    x = 108,185.26

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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.