Home / 179,355.88-247,511.10-98,782.72

Finding the Fourth Proportional to 179,355.88, 247,511.10 and 98,782.72

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Solution

The fourth proportional to 179,355.88, 247,511.10 and 98,782.72 is: 136,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,355.88 : 247,511.10 = 98,782.72 : x
  2. Step 2: Convert to fraction form
    179,355.88/247,511.10 = 98,782.72/x
  3. Step 3: Cross multiply
    179,355.88x = 247,511.10 × 98,782.72
  4. Step 4: Simplify right side
    179,355.88x = 24,449,819,688.19
  5. Step 5: Solve for x
    x = 24,449,819,688.19/179,355.88
  6. Step 6: Final answer
    x = 136,320.15

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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.