Home / 85,259.40-127,888.90-22,929.96

Finding the Fourth Proportional to 85,259.40, 127,888.90 and 22,929.96

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Solution

The fourth proportional to 85,259.40, 127,888.90 and 22,929.96 is: 34,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,259.40 : 127,888.90 = 22,929.96 : x
  2. Step 2: Convert to fraction form
    85,259.40/127,888.90 = 22,929.96/x
  3. Step 3: Cross multiply
    85,259.40x = 127,888.90 × 22,929.96
  4. Step 4: Simplify right side
    85,259.40x = 2,932,487,361.44
  5. Step 5: Solve for x
    x = 2,932,487,361.44/85,259.40
  6. Step 6: Final answer
    x = 34,394.89

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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.