Home / 85,237.12-127,862.16-26,077.24

Finding the Fourth Proportional to 85,237.12, 127,862.16 and 26,077.24

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Solution

The fourth proportional to 85,237.12, 127,862.16 and 26,077.24 is: 39,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237.12 : 127,862.16 = 26,077.24 : x
  2. Step 2: Convert to fraction form
    85,237.12/127,862.16 = 26,077.24/x
  3. Step 3: Cross multiply
    85,237.12x = 127,862.16 × 26,077.24
  4. Step 4: Simplify right side
    85,237.12x = 3,334,292,233.24
  5. Step 5: Solve for x
    x = 3,334,292,233.24/85,237.12
  6. Step 6: Final answer
    x = 39,117.84

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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.