Home / 153,742.70-212,084.25-125,094.35

Finding the Fourth Proportional to 153,742.70, 212,084.25 and 125,094.35

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Solution

The fourth proportional to 153,742.70, 212,084.25 and 125,094.35 is: 172,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,742.70 : 212,084.25 = 125,094.35 : x
  2. Step 2: Convert to fraction form
    153,742.70/212,084.25 = 125,094.35/x
  3. Step 3: Cross multiply
    153,742.70x = 212,084.25 × 125,094.35
  4. Step 4: Simplify right side
    153,742.70x = 26,530,541,398.99
  5. Step 5: Solve for x
    x = 26,530,541,398.99/153,742.70
  6. Step 6: Final answer
    x = 172,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.