Home / 115,010.65-158,703.56-84,812.23

Finding the Fourth Proportional to 115,010.65, 158,703.56 and 84,812.23

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Solution

The fourth proportional to 115,010.65, 158,703.56 and 84,812.23 is: 117,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,010.65 : 158,703.56 = 84,812.23 : x
  2. Step 2: Convert to fraction form
    115,010.65/158,703.56 = 84,812.23/x
  3. Step 3: Cross multiply
    115,010.65x = 158,703.56 × 84,812.23
  4. Step 4: Simplify right side
    115,010.65x = 13,460,002,032.20
  5. Step 5: Solve for x
    x = 13,460,002,032.20/115,010.65
  6. Step 6: Final answer
    x = 117,032.66

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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.