Home / 104,478.13-156,712.34-25,588.18

Finding the Fourth Proportional to 104,478.13, 156,712.34 and 25,588.18

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Solution

The fourth proportional to 104,478.13, 156,712.34 and 25,588.18 is: 38,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,478.13 : 156,712.34 = 25,588.18 : x
  2. Step 2: Convert to fraction form
    104,478.13/156,712.34 = 25,588.18/x
  3. Step 3: Cross multiply
    104,478.13x = 156,712.34 × 25,588.18
  4. Step 4: Simplify right side
    104,478.13x = 4,009,983,436.20
  5. Step 5: Solve for x
    x = 4,009,983,436.20/104,478.13
  6. Step 6: Final answer
    x = 38,381.08

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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.