Home / 132,451.69-182,782.08-72,022.38

Finding the Fourth Proportional to 132,451.69, 182,782.08 and 72,022.38

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Solution

The fourth proportional to 132,451.69, 182,782.08 and 72,022.38 is: 99,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.69 : 182,782.08 = 72,022.38 : x
  2. Step 2: Convert to fraction form
    132,451.69/182,782.08 = 72,022.38/x
  3. Step 3: Cross multiply
    132,451.69x = 182,782.08 × 72,022.38
  4. Step 4: Simplify right side
    132,451.69x = 13,164,400,422.95
  5. Step 5: Solve for x
    x = 13,164,400,422.95/132,451.69
  6. Step 6: Final answer
    x = 99,390.20

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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.