Home / 132,575.10-182,953.66-72,959.10

Finding the Fourth Proportional to 132,575.10, 182,953.66 and 72,959.10

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Solution

The fourth proportional to 132,575.10, 182,953.66 and 72,959.10 is: 100,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,575.10 : 182,953.66 = 72,959.10 : x
  2. Step 2: Convert to fraction form
    132,575.10/182,953.66 = 72,959.10/x
  3. Step 3: Cross multiply
    132,575.10x = 182,953.66 × 72,959.10
  4. Step 4: Simplify right side
    132,575.10x = 13,348,133,460.54
  5. Step 5: Solve for x
    x = 13,348,133,460.54/132,575.10
  6. Step 6: Final answer
    x = 100,683.57

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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.