Home / 85,111.60-127,667.36-22,780.48

Finding the Fourth Proportional to 85,111.60, 127,667.36 and 22,780.48

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Solution

The fourth proportional to 85,111.60, 127,667.36 and 22,780.48 is: 34,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,111.60 : 127,667.36 = 22,780.48 : x
  2. Step 2: Convert to fraction form
    85,111.60/127,667.36 = 22,780.48/x
  3. Step 3: Cross multiply
    85,111.60x = 127,667.36 × 22,780.48
  4. Step 4: Simplify right side
    85,111.60x = 2,908,323,741.13
  5. Step 5: Solve for x
    x = 2,908,323,741.13/85,111.60
  6. Step 6: Final answer
    x = 34,170.71

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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.