Home / 145,537.56-217,901.44-74,306.36

Finding the Fourth Proportional to 145,537.56, 217,901.44 and 74,306.36

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Solution

The fourth proportional to 145,537.56, 217,901.44 and 74,306.36 is: 111,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,537.56 : 217,901.44 = 74,306.36 : x
  2. Step 2: Convert to fraction form
    145,537.56/217,901.44 = 74,306.36/x
  3. Step 3: Cross multiply
    145,537.56x = 217,901.44 × 74,306.36
  4. Step 4: Simplify right side
    145,537.56x = 16,191,463,482.80
  5. Step 5: Solve for x
    x = 16,191,463,482.80/145,537.56
  6. Step 6: Final answer
    x = 111,252.82

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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.