Home / 121,000.12-181,537.10-61,877.32

Finding the Fourth Proportional to 121,000.12, 181,537.10 and 61,877.32

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Solution

The fourth proportional to 121,000.12, 181,537.10 and 61,877.32 is: 92,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,000.12 : 181,537.10 = 61,877.32 : x
  2. Step 2: Convert to fraction form
    121,000.12/181,537.10 = 61,877.32/x
  3. Step 3: Cross multiply
    121,000.12x = 181,537.10 × 61,877.32
  4. Step 4: Simplify right side
    121,000.12x = 11,233,029,228.57
  5. Step 5: Solve for x
    x = 11,233,029,228.57/121,000.12
  6. Step 6: Final answer
    x = 92,834.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.