Home / 207,839.98-286,819.11-112,346.62

Finding the Fourth Proportional to 207,839.98, 286,819.11 and 112,346.62

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Solution

The fourth proportional to 207,839.98, 286,819.11 and 112,346.62 is: 155,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,839.98 : 286,819.11 = 112,346.62 : x
  2. Step 2: Convert to fraction form
    207,839.98/286,819.11 = 112,346.62/x
  3. Step 3: Cross multiply
    207,839.98x = 286,819.11 × 112,346.62
  4. Step 4: Simplify right side
    207,839.98x = 32,223,157,559.91
  5. Step 5: Solve for x
    x = 32,223,157,559.91/207,839.98
  6. Step 6: Final answer
    x = 155,038.30

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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.