Home / 145,896.38-218,867.90-61,657.36

Finding the Fourth Proportional to 145,896.38, 218,867.90 and 61,657.36

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Solution

The fourth proportional to 145,896.38, 218,867.90 and 61,657.36 is: 92,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,896.38 : 218,867.90 = 61,657.36 : x
  2. Step 2: Convert to fraction form
    145,896.38/218,867.90 = 61,657.36/x
  3. Step 3: Cross multiply
    145,896.38x = 218,867.90 × 61,657.36
  4. Step 4: Simplify right side
    145,896.38x = 13,494,816,902.74
  5. Step 5: Solve for x
    x = 13,494,816,902.74/145,896.38
  6. Step 6: Final answer
    x = 92,495.90

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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.