Home / 206,346.36-309,607.02-112,742.76

Finding the Fourth Proportional to 206,346.36, 309,607.02 and 112,742.76

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Solution

The fourth proportional to 206,346.36, 309,607.02 and 112,742.76 is: 169,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,346.36 : 309,607.02 = 112,742.76 : x
  2. Step 2: Convert to fraction form
    206,346.36/309,607.02 = 112,742.76/x
  3. Step 3: Cross multiply
    206,346.36x = 309,607.02 × 112,742.76
  4. Step 4: Simplify right side
    206,346.36x = 34,905,949,950.18
  5. Step 5: Solve for x
    x = 34,905,949,950.18/206,346.36
  6. Step 6: Final answer
    x = 169,161.94

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1.5x scale

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.