Home / 112,261.36-154,909.65-61,957.12

Finding the Fourth Proportional to 112,261.36, 154,909.65 and 61,957.12

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Solution

The fourth proportional to 112,261.36, 154,909.65 and 61,957.12 is: 85,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,261.36 : 154,909.65 = 61,957.12 : x
  2. Step 2: Convert to fraction form
    112,261.36/154,909.65 = 61,957.12/x
  3. Step 3: Cross multiply
    112,261.36x = 154,909.65 × 61,957.12
  4. Step 4: Simplify right side
    112,261.36x = 9,597,755,774.21
  5. Step 5: Solve for x
    x = 9,597,755,774.21/112,261.36
  6. Step 6: Final answer
    x = 85,494.74

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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.