Home / 84,770.28-127,165.95-25,605.72

Finding the Fourth Proportional to 84,770.28, 127,165.95 and 25,605.72

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Solution

The fourth proportional to 84,770.28, 127,165.95 and 25,605.72 is: 38,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,770.28 : 127,165.95 = 25,605.72 : x
  2. Step 2: Convert to fraction form
    84,770.28/127,165.95 = 25,605.72/x
  3. Step 3: Cross multiply
    84,770.28x = 127,165.95 × 25,605.72
  4. Step 4: Simplify right side
    84,770.28x = 3,256,175,709.23
  5. Step 5: Solve for x
    x = 3,256,175,709.23/84,770.28
  6. Step 6: Final answer
    x = 38,411.76

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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.