Home / 157,115.72-235,676.10-149,140.46

Finding the Fourth Proportional to 157,115.72, 235,676.10 and 149,140.46

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Solution

The fourth proportional to 157,115.72, 235,676.10 and 149,140.46 is: 223,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,115.72 : 235,676.10 = 149,140.46 : x
  2. Step 2: Convert to fraction form
    157,115.72/235,676.10 = 149,140.46/x
  3. Step 3: Cross multiply
    157,115.72x = 235,676.10 × 149,140.46
  4. Step 4: Simplify right side
    157,115.72x = 35,148,841,965.01
  5. Step 5: Solve for x
    x = 35,148,841,965.01/157,115.72
  6. Step 6: Final answer
    x = 223,713.08

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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.