Home / 112,040.15-154,613.40-61,053.32

Finding the Fourth Proportional to 112,040.15, 154,613.40 and 61,053.32

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Solution

The fourth proportional to 112,040.15, 154,613.40 and 61,053.32 is: 84,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,040.15 : 154,613.40 = 61,053.32 : x
  2. Step 2: Convert to fraction form
    112,040.15/154,613.40 = 61,053.32/x
  3. Step 3: Cross multiply
    112,040.15x = 154,613.40 × 61,053.32
  4. Step 4: Simplify right side
    112,040.15x = 9,439,660,613.42
  5. Step 5: Solve for x
    x = 9,439,660,613.42/112,040.15
  6. Step 6: Final answer
    x = 84,252.48

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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.