Home / 112,294.60-155,017.20-74,076.88

Finding the Fourth Proportional to 112,294.60, 155,017.20 and 74,076.88

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Solution

The fourth proportional to 112,294.60, 155,017.20 and 74,076.88 is: 102,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,294.60 : 155,017.20 = 74,076.88 : x
  2. Step 2: Convert to fraction form
    112,294.60/155,017.20 = 74,076.88/x
  3. Step 3: Cross multiply
    112,294.60x = 155,017.20 × 74,076.88
  4. Step 4: Simplify right side
    112,294.60x = 11,483,190,522.34
  5. Step 5: Solve for x
    x = 11,483,190,522.34/112,294.60
  6. Step 6: Final answer
    x = 102,259.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.