Home / 208,740.12-288,059.16-113,246.04

Finding the Fourth Proportional to 208,740.12, 288,059.16 and 113,246.04

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Solution

The fourth proportional to 208,740.12, 288,059.16 and 113,246.04 is: 156,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,740.12 : 288,059.16 = 113,246.04 : x
  2. Step 2: Convert to fraction form
    208,740.12/288,059.16 = 113,246.04/x
  3. Step 3: Cross multiply
    208,740.12x = 288,059.16 × 113,246.04
  4. Step 4: Simplify right side
    208,740.12x = 32,621,559,155.73
  5. Step 5: Solve for x
    x = 32,621,559,155.73/208,740.12
  6. Step 6: Final answer
    x = 156,278.34

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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.