Home / 221,444.10-332,101.35-79,272.90

Finding the Fourth Proportional to 221,444.10, 332,101.35 and 79,272.90

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Solution

The fourth proportional to 221,444.10, 332,101.35 and 79,272.90 is: 118,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,444.10 : 332,101.35 = 79,272.90 : x
  2. Step 2: Convert to fraction form
    221,444.10/332,101.35 = 79,272.90/x
  3. Step 3: Cross multiply
    221,444.10x = 332,101.35 × 79,272.90
  4. Step 4: Simplify right side
    221,444.10x = 26,326,637,108.42
  5. Step 5: Solve for x
    x = 26,326,637,108.42/221,444.10
  6. Step 6: Final answer
    x = 118,886.15

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1.5x scale

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.