Home / 179,096.40-247,110.48-115,359.12

Finding the Fourth Proportional to 179,096.40, 247,110.48 and 115,359.12

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Solution

The fourth proportional to 179,096.40, 247,110.48 and 115,359.12 is: 159,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,096.40 : 247,110.48 = 115,359.12 : x
  2. Step 2: Convert to fraction form
    179,096.40/247,110.48 = 115,359.12/x
  3. Step 3: Cross multiply
    179,096.40x = 247,110.48 × 115,359.12
  4. Step 4: Simplify right side
    179,096.40x = 28,506,447,515.58
  5. Step 5: Solve for x
    x = 28,506,447,515.58/179,096.40
  6. Step 6: Final answer
    x = 159,168.18

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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.