Home / 125,263.48-187,914.68-42,151

Finding the Fourth Proportional to 125,263.48, 187,914.68 and 42,151

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Solution

The fourth proportional to 125,263.48, 187,914.68 and 42,151 is: 63,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,263.48 : 187,914.68 = 42,151 : x
  2. Step 2: Convert to fraction form
    125,263.48/187,914.68 = 42,151/x
  3. Step 3: Cross multiply
    125,263.48x = 187,914.68 × 42,151
  4. Step 4: Simplify right side
    125,263.48x = 7,920,791,676.68
  5. Step 5: Solve for x
    x = 7,920,791,676.68/125,263.48
  6. Step 6: Final answer
    x = 63,233.05

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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.