Home / 132,421.39-182,742.24-77,975.92

Finding the Fourth Proportional to 132,421.39, 182,742.24 and 77,975.92

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Solution

The fourth proportional to 132,421.39, 182,742.24 and 77,975.92 is: 107,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.39 : 182,742.24 = 77,975.92 : x
  2. Step 2: Convert to fraction form
    132,421.39/182,742.24 = 77,975.92/x
  3. Step 3: Cross multiply
    132,421.39x = 182,742.24 × 77,975.92
  4. Step 4: Simplify right side
    132,421.39x = 14,249,494,807.70
  5. Step 5: Solve for x
    x = 14,249,494,807.70/132,421.39
  6. Step 6: Final answer
    x = 107,607.20

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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.