Home / 105,761.09-158,590.61-61,399.01

Finding the Fourth Proportional to 105,761.09, 158,590.61 and 61,399.01

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Solution

The fourth proportional to 105,761.09, 158,590.61 and 61,399.01 is: 92,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,761.09 : 158,590.61 = 61,399.01 : x
  2. Step 2: Convert to fraction form
    105,761.09/158,590.61 = 61,399.01/x
  3. Step 3: Cross multiply
    105,761.09x = 158,590.61 × 61,399.01
  4. Step 4: Simplify right side
    105,761.09x = 9,737,306,769.02
  5. Step 5: Solve for x
    x = 9,737,306,769.02/105,761.09
  6. Step 6: Final answer
    x = 92,068.89

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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.