Home / 132,139.80-182,353.05-71,710.46

Finding the Fourth Proportional to 132,139.80, 182,353.05 and 71,710.46

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Solution

The fourth proportional to 132,139.80, 182,353.05 and 71,710.46 is: 98,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,139.80 : 182,353.05 = 71,710.46 : x
  2. Step 2: Convert to fraction form
    132,139.80/182,353.05 = 71,710.46/x
  3. Step 3: Cross multiply
    132,139.80x = 182,353.05 × 71,710.46
  4. Step 4: Simplify right side
    132,139.80x = 13,076,620,186.14
  5. Step 5: Solve for x
    x = 13,076,620,186.14/132,139.80
  6. Step 6: Final answer
    x = 98,960.50

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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.