Home / 132,356.88-182,570.22-78,603.12

Finding the Fourth Proportional to 132,356.88, 182,570.22 and 78,603.12

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Solution

The fourth proportional to 132,356.88, 182,570.22 and 78,603.12 is: 108,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.88 : 182,570.22 = 78,603.12 : x
  2. Step 2: Convert to fraction form
    132,356.88/182,570.22 = 78,603.12/x
  3. Step 3: Cross multiply
    132,356.88x = 182,570.22 × 78,603.12
  4. Step 4: Simplify right side
    132,356.88x = 14,350,588,911.09
  5. Step 5: Solve for x
    x = 14,350,588,911.09/132,356.88
  6. Step 6: Final answer
    x = 108,423.45

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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.