Home / 221,987.04-332,985.96-72,227.76

Finding the Fourth Proportional to 221,987.04, 332,985.96 and 72,227.76

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Solution

The fourth proportional to 221,987.04, 332,985.96 and 72,227.76 is: 108,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,987.04 : 332,985.96 = 72,227.76 : x
  2. Step 2: Convert to fraction form
    221,987.04/332,985.96 = 72,227.76/x
  3. Step 3: Cross multiply
    221,987.04x = 332,985.96 × 72,227.76
  4. Step 4: Simplify right side
    221,987.04x = 24,050,830,002.25
  5. Step 5: Solve for x
    x = 24,050,830,002.25/221,987.04
  6. Step 6: Final answer
    x = 108,343.40

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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.