Home / 143,377.53-197,862.03-89,693.07

Finding the Fourth Proportional to 143,377.53, 197,862.03 and 89,693.07

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Solution

The fourth proportional to 143,377.53, 197,862.03 and 89,693.07 is: 123,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,377.53 : 197,862.03 = 89,693.07 : x
  2. Step 2: Convert to fraction form
    143,377.53/197,862.03 = 89,693.07/x
  3. Step 3: Cross multiply
    143,377.53x = 197,862.03 × 89,693.07
  4. Step 4: Simplify right side
    143,377.53x = 17,746,852,907.13
  5. Step 5: Solve for x
    x = 17,746,852,907.13/143,377.53
  6. Step 6: Final answer
    x = 123,777.09

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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.