Home / 223,718.20-335,966.10-118,742.20

Finding the Fourth Proportional to 223,718.20, 335,966.10 and 118,742.20

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Solution

The fourth proportional to 223,718.20, 335,966.10 and 118,742.20 is: 178,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,718.20 : 335,966.10 = 118,742.20 : x
  2. Step 2: Convert to fraction form
    223,718.20/335,966.10 = 118,742.20/x
  3. Step 3: Cross multiply
    223,718.20x = 335,966.10 × 118,742.20
  4. Step 4: Simplify right side
    223,718.20x = 39,893,353,839.42
  5. Step 5: Solve for x
    x = 39,893,353,839.42/223,718.20
  6. Step 6: Final answer
    x = 178,319.66

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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.