Home / 85,269.84-127,885.32-22,945.20

Finding the Fourth Proportional to 85,269.84, 127,885.32 and 22,945.20

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Solution

The fourth proportional to 85,269.84, 127,885.32 and 22,945.20 is: 34,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.84 : 127,885.32 = 22,945.20 : x
  2. Step 2: Convert to fraction form
    85,269.84/127,885.32 = 22,945.20/x
  3. Step 3: Cross multiply
    85,269.84x = 127,885.32 × 22,945.20
  4. Step 4: Simplify right side
    85,269.84x = 2,934,354,244.46
  5. Step 5: Solve for x
    x = 2,934,354,244.46/85,269.84
  6. Step 6: Final answer
    x = 34,412.57

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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.