Home / 163,301.48-225,369.06-91,686.20

Finding the Fourth Proportional to 163,301.48, 225,369.06 and 91,686.20

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Solution

The fourth proportional to 163,301.48, 225,369.06 and 91,686.20 is: 126,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,301.48 : 225,369.06 = 91,686.20 : x
  2. Step 2: Convert to fraction form
    163,301.48/225,369.06 = 91,686.20/x
  3. Step 3: Cross multiply
    163,301.48x = 225,369.06 × 91,686.20
  4. Step 4: Simplify right side
    163,301.48x = 20,663,232,708.97
  5. Step 5: Solve for x
    x = 20,663,232,708.97/163,301.48
  6. Step 6: Final answer
    x = 126,534.26

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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.