Home / 132,446.16-182,778.12-72,018.18

Finding the Fourth Proportional to 132,446.16, 182,778.12 and 72,018.18

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Solution

The fourth proportional to 132,446.16, 182,778.12 and 72,018.18 is: 99,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,446.16 : 182,778.12 = 72,018.18 : x
  2. Step 2: Convert to fraction form
    132,446.16/182,778.12 = 72,018.18/x
  3. Step 3: Cross multiply
    132,446.16x = 182,778.12 × 72,018.18
  4. Step 4: Simplify right side
    132,446.16x = 13,163,347,546.22
  5. Step 5: Solve for x
    x = 13,163,347,546.22/132,446.16
  6. Step 6: Final answer
    x = 99,386.40

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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.