Home / 207,200.40-285,961.88-116,560.20

Finding the Fourth Proportional to 207,200.40, 285,961.88 and 116,560.20

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Solution

The fourth proportional to 207,200.40, 285,961.88 and 116,560.20 is: 160,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,200.40 : 285,961.88 = 116,560.20 : x
  2. Step 2: Convert to fraction form
    207,200.40/285,961.88 = 116,560.20/x
  3. Step 3: Cross multiply
    207,200.40x = 285,961.88 × 116,560.20
  4. Step 4: Simplify right side
    207,200.40x = 33,331,773,925.18
  5. Step 5: Solve for x
    x = 33,331,773,925.18/207,200.40
  6. Step 6: Final answer
    x = 160,867.32

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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.