Home / 208,507.58-287,740.97-113,014.18

Finding the Fourth Proportional to 208,507.58, 287,740.97 and 113,014.18

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Solution

The fourth proportional to 208,507.58, 287,740.97 and 113,014.18 is: 155,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,507.58 : 287,740.97 = 113,014.18 : x
  2. Step 2: Convert to fraction form
    208,507.58/287,740.97 = 113,014.18/x
  3. Step 3: Cross multiply
    208,507.58x = 287,740.97 × 113,014.18
  4. Step 4: Simplify right side
    208,507.58x = 32,518,809,776.95
  5. Step 5: Solve for x
    x = 32,518,809,776.95/208,507.58
  6. Step 6: Final answer
    x = 155,959.84

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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.