Home / 169,742.10-234,146.65-105,969.18

Finding the Fourth Proportional to 169,742.10, 234,146.65 and 105,969.18

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Solution

The fourth proportional to 169,742.10, 234,146.65 and 105,969.18 is: 146,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,742.10 : 234,146.65 = 105,969.18 : x
  2. Step 2: Convert to fraction form
    169,742.10/234,146.65 = 105,969.18/x
  3. Step 3: Cross multiply
    169,742.10x = 234,146.65 × 105,969.18
  4. Step 4: Simplify right side
    169,742.10x = 24,812,328,500.25
  5. Step 5: Solve for x
    x = 24,812,328,500.25/169,742.10
  6. Step 6: Final answer
    x = 146,176.63

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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.