Home / 105,389.69-158,084.80-43,060.19

Finding the Fourth Proportional to 105,389.69, 158,084.80 and 43,060.19

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Solution

The fourth proportional to 105,389.69, 158,084.80 and 43,060.19 is: 64,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,389.69 : 158,084.80 = 43,060.19 : x
  2. Step 2: Convert to fraction form
    105,389.69/158,084.80 = 43,060.19/x
  3. Step 3: Cross multiply
    105,389.69x = 158,084.80 × 43,060.19
  4. Step 4: Simplify right side
    105,389.69x = 6,807,160,626.04
  5. Step 5: Solve for x
    x = 6,807,160,626.04/105,389.69
  6. Step 6: Final answer
    x = 64,590.39

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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.