Home / 112,146.68-154,761.98-61,159.29

Finding the Fourth Proportional to 112,146.68, 154,761.98 and 61,159.29

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Solution

The fourth proportional to 112,146.68, 154,761.98 and 61,159.29 is: 84,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.68 : 154,761.98 = 61,159.29 : x
  2. Step 2: Convert to fraction form
    112,146.68/154,761.98 = 61,159.29/x
  3. Step 3: Cross multiply
    112,146.68x = 154,761.98 × 61,159.29
  4. Step 4: Simplify right side
    112,146.68x = 9,465,132,510.00
  5. Step 5: Solve for x
    x = 9,465,132,510.00/112,146.68
  6. Step 6: Final answer
    x = 84,399.58

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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.