Home / 85,335.16-127,999.14-26,167.72

Finding the Fourth Proportional to 85,335.16, 127,999.14 and 26,167.72

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Solution

The fourth proportional to 85,335.16, 127,999.14 and 26,167.72 is: 39,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,335.16 : 127,999.14 = 26,167.72 : x
  2. Step 2: Convert to fraction form
    85,335.16/127,999.14 = 26,167.72/x
  3. Step 3: Cross multiply
    85,335.16x = 127,999.14 × 26,167.72
  4. Step 4: Simplify right side
    85,335.16x = 3,349,445,655.76
  5. Step 5: Solve for x
    x = 3,349,445,655.76/85,335.16
  6. Step 6: Final answer
    x = 39,250.48

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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.