Home / 136,374.12-188,191.98-75,943.44

Finding the Fourth Proportional to 136,374.12, 188,191.98 and 75,943.44

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Solution

The fourth proportional to 136,374.12, 188,191.98 and 75,943.44 is: 104,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,374.12 : 188,191.98 = 75,943.44 : x
  2. Step 2: Convert to fraction form
    136,374.12/188,191.98 = 75,943.44/x
  3. Step 3: Cross multiply
    136,374.12x = 188,191.98 × 75,943.44
  4. Step 4: Simplify right side
    136,374.12x = 14,291,946,341.61
  5. Step 5: Solve for x
    x = 14,291,946,341.61/136,374.12
  6. Step 6: Final answer
    x = 104,799.55

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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.