Home / 110,895.29-153,031.85-70,081.23

Finding the Fourth Proportional to 110,895.29, 153,031.85 and 70,081.23

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Solution

The fourth proportional to 110,895.29, 153,031.85 and 70,081.23 is: 96,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,895.29 : 153,031.85 = 70,081.23 : x
  2. Step 2: Convert to fraction form
    110,895.29/153,031.85 = 70,081.23/x
  3. Step 3: Cross multiply
    110,895.29x = 153,031.85 × 70,081.23
  4. Step 4: Simplify right side
    110,895.29x = 10,724,659,352.90
  5. Step 5: Solve for x
    x = 10,724,659,352.90/110,895.29
  6. Step 6: Final answer
    x = 96,709.78

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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.