Home / 229,345.12-344,039.40-89,114.56

Finding the Fourth Proportional to 229,345.12, 344,039.40 and 89,114.56

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Solution

The fourth proportional to 229,345.12, 344,039.40 and 89,114.56 is: 133,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,345.12 : 344,039.40 = 89,114.56 : x
  2. Step 2: Convert to fraction form
    229,345.12/344,039.40 = 89,114.56/x
  3. Step 3: Cross multiply
    229,345.12x = 344,039.40 × 89,114.56
  4. Step 4: Simplify right side
    229,345.12x = 30,658,919,753.66
  5. Step 5: Solve for x
    x = 30,658,919,753.66/229,345.12
  6. Step 6: Final answer
    x = 133,680.28

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1.5x scale

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.