Home / 132,372.31-182,700.35-78,646.98

Finding the Fourth Proportional to 132,372.31, 182,700.35 and 78,646.98

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Solution

The fourth proportional to 132,372.31, 182,700.35 and 78,646.98 is: 108,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.31 : 182,700.35 = 78,646.98 : x
  2. Step 2: Convert to fraction form
    132,372.31/182,700.35 = 78,646.98/x
  3. Step 3: Cross multiply
    132,372.31x = 182,700.35 × 78,646.98
  4. Step 4: Simplify right side
    132,372.31x = 14,368,830,969.06
  5. Step 5: Solve for x
    x = 14,368,830,969.06/132,372.31
  6. Step 6: Final answer
    x = 108,548.62

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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.