Home / 169,644.30-254,466.45-155,129.10

Finding the Fourth Proportional to 169,644.30, 254,466.45 and 155,129.10

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Solution

The fourth proportional to 169,644.30, 254,466.45 and 155,129.10 is: 232,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,644.30 : 254,466.45 = 155,129.10 : x
  2. Step 2: Convert to fraction form
    169,644.30/254,466.45 = 155,129.10/x
  3. Step 3: Cross multiply
    169,644.30x = 254,466.45 × 155,129.10
  4. Step 4: Simplify right side
    169,644.30x = 39,475,151,368.70
  5. Step 5: Solve for x
    x = 39,475,151,368.70/169,644.30
  6. Step 6: Final answer
    x = 232,693.65

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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.