Home / 85,060.18-127,608.72-25,894.32

Finding the Fourth Proportional to 85,060.18, 127,608.72 and 25,894.32

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Solution

The fourth proportional to 85,060.18, 127,608.72 and 25,894.32 is: 38,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060.18 : 127,608.72 = 25,894.32 : x
  2. Step 2: Convert to fraction form
    85,060.18/127,608.72 = 25,894.32/x
  3. Step 3: Cross multiply
    85,060.18x = 127,608.72 × 25,894.32
  4. Step 4: Simplify right side
    85,060.18x = 3,304,341,030.47
  5. Step 5: Solve for x
    x = 3,304,341,030.47/85,060.18
  6. Step 6: Final answer
    x = 38,847.10

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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.