Home / 155,498.10-233,248.23-66,676.74

Finding the Fourth Proportional to 155,498.10, 233,248.23 and 66,676.74

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Solution

The fourth proportional to 155,498.10, 233,248.23 and 66,676.74 is: 100,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,498.10 : 233,248.23 = 66,676.74 : x
  2. Step 2: Convert to fraction form
    155,498.10/233,248.23 = 66,676.74/x
  3. Step 3: Cross multiply
    155,498.10x = 233,248.23 × 66,676.74
  4. Step 4: Simplify right side
    155,498.10x = 15,552,231,587.17
  5. Step 5: Solve for x
    x = 15,552,231,587.17/155,498.10
  6. Step 6: Final answer
    x = 100,015.57

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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.