Home / 115,015.77-158,725.31-62,631.23

Finding the Fourth Proportional to 115,015.77, 158,725.31 and 62,631.23

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Solution

The fourth proportional to 115,015.77, 158,725.31 and 62,631.23 is: 86,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,015.77 : 158,725.31 = 62,631.23 : x
  2. Step 2: Convert to fraction form
    115,015.77/158,725.31 = 62,631.23/x
  3. Step 3: Cross multiply
    115,015.77x = 158,725.31 × 62,631.23
  4. Step 4: Simplify right side
    115,015.77x = 9,941,160,290.65
  5. Step 5: Solve for x
    x = 9,941,160,290.65/115,015.77
  6. Step 6: Final answer
    x = 86,433.02

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1.5x scale

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.