Home / 110,969.72-153,341.07-79,083.26

Finding the Fourth Proportional to 110,969.72, 153,341.07 and 79,083.26

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Solution

The fourth proportional to 110,969.72, 153,341.07 and 79,083.26 is: 109,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,969.72 : 153,341.07 = 79,083.26 : x
  2. Step 2: Convert to fraction form
    110,969.72/153,341.07 = 79,083.26/x
  3. Step 3: Cross multiply
    110,969.72x = 153,341.07 × 79,083.26
  4. Step 4: Simplify right side
    110,969.72x = 12,126,711,707.49
  5. Step 5: Solve for x
    x = 12,126,711,707.49/110,969.72
  6. Step 6: Final answer
    x = 109,279.47

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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.