Home / 114,979.23-158,535.60-78,698.16

Finding the Fourth Proportional to 114,979.23, 158,535.60 and 78,698.16

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Solution

The fourth proportional to 114,979.23, 158,535.60 and 78,698.16 is: 108,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,979.23 : 158,535.60 = 78,698.16 : x
  2. Step 2: Convert to fraction form
    114,979.23/158,535.60 = 78,698.16/x
  3. Step 3: Cross multiply
    114,979.23x = 158,535.60 × 78,698.16
  4. Step 4: Simplify right side
    114,979.23x = 12,476,460,014.50
  5. Step 5: Solve for x
    x = 12,476,460,014.50/114,979.23
  6. Step 6: Final answer
    x = 108,510.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.