Home / 132,347.93-182,640-71,918.43

Finding the Fourth Proportional to 132,347.93, 182,640 and 71,918.43

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Solution

The fourth proportional to 132,347.93, 182,640 and 71,918.43 is: 99,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,347.93 : 182,640 = 71,918.43 : x
  2. Step 2: Convert to fraction form
    132,347.93/182,640 = 71,918.43/x
  3. Step 3: Cross multiply
    132,347.93x = 182,640 × 71,918.43
  4. Step 4: Simplify right side
    132,347.93x = 13,135,181,370.30
  5. Step 5: Solve for x
    x = 13,135,181,370.30/132,347.93
  6. Step 6: Final answer
    x = 99,247.35

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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.