Home / 112,062.36-154,646.10-61,761.40

Finding the Fourth Proportional to 112,062.36, 154,646.10 and 61,761.40

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Solution

The fourth proportional to 112,062.36, 154,646.10 and 61,761.40 is: 85,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.36 : 154,646.10 = 61,761.40 : x
  2. Step 2: Convert to fraction form
    112,062.36/154,646.10 = 61,761.40/x
  3. Step 3: Cross multiply
    112,062.36x = 154,646.10 × 61,761.40
  4. Step 4: Simplify right side
    112,062.36x = 9,551,159,640.54
  5. Step 5: Solve for x
    x = 9,551,159,640.54/112,062.36
  6. Step 6: Final answer
    x = 85,230.76

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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.