Home / 132,190.34-182,422.88-71,761.01

Finding the Fourth Proportional to 132,190.34, 182,422.88 and 71,761.01

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Solution

The fourth proportional to 132,190.34, 182,422.88 and 71,761.01 is: 99,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,190.34 : 182,422.88 = 71,761.01 : x
  2. Step 2: Convert to fraction form
    132,190.34/182,422.88 = 71,761.01/x
  3. Step 3: Cross multiply
    132,190.34x = 182,422.88 × 71,761.01
  4. Step 4: Simplify right side
    132,190.34x = 13,090,849,798.18
  5. Step 5: Solve for x
    x = 13,090,849,798.18/132,190.34
  6. Step 6: Final answer
    x = 99,030.31

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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.