Home / 169,629.40-254,444.10-143,385.40

Finding the Fourth Proportional to 169,629.40, 254,444.10 and 143,385.40

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Solution

The fourth proportional to 169,629.40, 254,444.10 and 143,385.40 is: 215,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,629.40 : 254,444.10 = 143,385.40 : x
  2. Step 2: Convert to fraction form
    169,629.40/254,444.10 = 143,385.40/x
  3. Step 3: Cross multiply
    169,629.40x = 254,444.10 × 143,385.40
  4. Step 4: Simplify right side
    169,629.40x = 36,483,569,056.14
  5. Step 5: Solve for x
    x = 36,483,569,056.14/169,629.40
  6. Step 6: Final answer
    x = 215,078.10

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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.