Home / 145,525.44-218,372-61,279.04

Finding the Fourth Proportional to 145,525.44, 218,372 and 61,279.04

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Solution

The fourth proportional to 145,525.44, 218,372 and 61,279.04 is: 91,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,525.44 : 218,372 = 61,279.04 : x
  2. Step 2: Convert to fraction form
    145,525.44/218,372 = 61,279.04/x
  3. Step 3: Cross multiply
    145,525.44x = 218,372 × 61,279.04
  4. Step 4: Simplify right side
    145,525.44x = 13,381,626,522.88
  5. Step 5: Solve for x
    x = 13,381,626,522.88/145,525.44
  6. Step 6: Final answer
    x = 91,953.86

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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.