Home / 124,910.10-187,345.71-40,671.72

Finding the Fourth Proportional to 124,910.10, 187,345.71 and 40,671.72

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Solution

The fourth proportional to 124,910.10, 187,345.71 and 40,671.72 is: 61,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,910.10 : 187,345.71 = 40,671.72 : x
  2. Step 2: Convert to fraction form
    124,910.10/187,345.71 = 40,671.72/x
  3. Step 3: Cross multiply
    124,910.10x = 187,345.71 × 40,671.72
  4. Step 4: Simplify right side
    124,910.10x = 7,619,672,260.32
  5. Step 5: Solve for x
    x = 7,619,672,260.32/124,910.10
  6. Step 6: Final answer
    x = 61,001.25

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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.