Home / 162,146.12-243,156.89-112,074.54

Finding the Fourth Proportional to 162,146.12, 243,156.89 and 112,074.54

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Solution

The fourth proportional to 162,146.12, 243,156.89 and 112,074.54 is: 168,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,146.12 : 243,156.89 = 112,074.54 : x
  2. Step 2: Convert to fraction form
    162,146.12/243,156.89 = 112,074.54/x
  3. Step 3: Cross multiply
    162,146.12x = 243,156.89 × 112,074.54
  4. Step 4: Simplify right side
    162,146.12x = 27,251,696,034.21
  5. Step 5: Solve for x
    x = 27,251,696,034.21/162,146.12
  6. Step 6: Final answer
    x = 168,068.76

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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.