Home / 85,228.56-127,842.76-22,899.06

Finding the Fourth Proportional to 85,228.56, 127,842.76 and 22,899.06

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Solution

The fourth proportional to 85,228.56, 127,842.76 and 22,899.06 is: 34,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.56 : 127,842.76 = 22,899.06 : x
  2. Step 2: Convert to fraction form
    85,228.56/127,842.76 = 22,899.06/x
  3. Step 3: Cross multiply
    85,228.56x = 127,842.76 × 22,899.06
  4. Step 4: Simplify right side
    85,228.56x = 2,927,479,031.81
  5. Step 5: Solve for x
    x = 2,927,479,031.81/85,228.56
  6. Step 6: Final answer
    x = 34,348.57

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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.