Home / 179,490.12-247,684.64-98,917.67

Finding the Fourth Proportional to 179,490.12, 247,684.64 and 98,917.67

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Solution

The fourth proportional to 179,490.12, 247,684.64 and 98,917.67 is: 136,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,490.12 : 247,684.64 = 98,917.67 : x
  2. Step 2: Convert to fraction form
    179,490.12/247,684.64 = 98,917.67/x
  3. Step 3: Cross multiply
    179,490.12x = 247,684.64 × 98,917.67
  4. Step 4: Simplify right side
    179,490.12x = 24,500,385,750.58
  5. Step 5: Solve for x
    x = 24,500,385,750.58/179,490.12
  6. Step 6: Final answer
    x = 136,499.91

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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.