Home / 132,605.07-182,992.41-72,177.05

Finding the Fourth Proportional to 132,605.07, 182,992.41 and 72,177.05

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Solution

The fourth proportional to 132,605.07, 182,992.41 and 72,177.05 is: 99,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605.07 : 182,992.41 = 72,177.05 : x
  2. Step 2: Convert to fraction form
    132,605.07/182,992.41 = 72,177.05/x
  3. Step 3: Cross multiply
    132,605.07x = 182,992.41 × 72,177.05
  4. Step 4: Simplify right side
    132,605.07x = 13,207,851,411.23
  5. Step 5: Solve for x
    x = 13,207,851,411.23/132,605.07
  6. Step 6: Final answer
    x = 99,602.91

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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.