Home / 132,617.58-182,950.47-78,872.46

Finding the Fourth Proportional to 132,617.58, 182,950.47 and 78,872.46

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Solution

The fourth proportional to 132,617.58, 182,950.47 and 78,872.46 is: 108,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.58 : 182,950.47 = 78,872.46 : x
  2. Step 2: Convert to fraction form
    132,617.58/182,950.47 = 78,872.46/x
  3. Step 3: Cross multiply
    132,617.58x = 182,950.47 × 78,872.46
  4. Step 4: Simplify right side
    132,617.58x = 14,429,753,627.06
  5. Step 5: Solve for x
    x = 14,429,753,627.06/132,617.58
  6. Step 6: Final answer
    x = 108,807.25

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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.