Home / 85,152.24-127,689.96-25,995.12

Finding the Fourth Proportional to 85,152.24, 127,689.96 and 25,995.12

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Solution

The fourth proportional to 85,152.24, 127,689.96 and 25,995.12 is: 38,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152.24 : 127,689.96 = 25,995.12 : x
  2. Step 2: Convert to fraction form
    85,152.24/127,689.96 = 25,995.12/x
  3. Step 3: Cross multiply
    85,152.24x = 127,689.96 × 25,995.12
  4. Step 4: Simplify right side
    85,152.24x = 3,319,315,833.00
  5. Step 5: Solve for x
    x = 3,319,315,833.00/85,152.24
  6. Step 6: Final answer
    x = 38,980.96

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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.