Home / 159,218.12-219,724.41-87,598.35

Finding the Fourth Proportional to 159,218.12, 219,724.41 and 87,598.35

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Solution

The fourth proportional to 159,218.12, 219,724.41 and 87,598.35 is: 120,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,218.12 : 219,724.41 = 87,598.35 : x
  2. Step 2: Convert to fraction form
    159,218.12/219,724.41 = 87,598.35/x
  3. Step 3: Cross multiply
    159,218.12x = 219,724.41 × 87,598.35
  4. Step 4: Simplify right side
    159,218.12x = 19,247,495,770.72
  5. Step 5: Solve for x
    x = 19,247,495,770.72/159,218.12
  6. Step 6: Final answer
    x = 120,887.60

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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.