Home / 115,236.50-159,026.37-64,937.30

Finding the Fourth Proportional to 115,236.50, 159,026.37 and 64,937.30

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Solution

The fourth proportional to 115,236.50, 159,026.37 and 64,937.30 is: 89,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,236.50 : 159,026.37 = 64,937.30 : x
  2. Step 2: Convert to fraction form
    115,236.50/159,026.37 = 64,937.30/x
  3. Step 3: Cross multiply
    115,236.50x = 159,026.37 × 64,937.30
  4. Step 4: Simplify right side
    115,236.50x = 10,326,743,096.60
  5. Step 5: Solve for x
    x = 10,326,743,096.60/115,236.50
  6. Step 6: Final answer
    x = 89,613.47

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1.5x scale

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.