Home / 145,314.49-218,003.38-61,026.60

Finding the Fourth Proportional to 145,314.49, 218,003.38 and 61,026.60

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Solution

The fourth proportional to 145,314.49, 218,003.38 and 61,026.60 is: 91,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,314.49 : 218,003.38 = 61,026.60 : x
  2. Step 2: Convert to fraction form
    145,314.49/218,003.38 = 61,026.60/x
  3. Step 3: Cross multiply
    145,314.49x = 218,003.38 × 61,026.60
  4. Step 4: Simplify right side
    145,314.49x = 13,304,005,069.91
  5. Step 5: Solve for x
    x = 13,304,005,069.91/145,314.49
  6. Step 6: Final answer
    x = 91,553.19

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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.