Home / 177,102.20-265,718.10-71,931.80

Finding the Fourth Proportional to 177,102.20, 265,718.10 and 71,931.80

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Solution

The fourth proportional to 177,102.20, 265,718.10 and 71,931.80 is: 107,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,102.20 : 265,718.10 = 71,931.80 : x
  2. Step 2: Convert to fraction form
    177,102.20/265,718.10 = 71,931.80/x
  3. Step 3: Cross multiply
    177,102.20x = 265,718.10 × 71,931.80
  4. Step 4: Simplify right side
    177,102.20x = 19,113,581,225.58
  5. Step 5: Solve for x
    x = 19,113,581,225.58/177,102.20
  6. Step 6: Final answer
    x = 107,924.02

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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.