Home / 122,853.96-169,547.04-69,144.12

Finding the Fourth Proportional to 122,853.96, 169,547.04 and 69,144.12

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Solution

The fourth proportional to 122,853.96, 169,547.04 and 69,144.12 is: 95,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,853.96 : 169,547.04 = 69,144.12 : x
  2. Step 2: Convert to fraction form
    122,853.96/169,547.04 = 69,144.12/x
  3. Step 3: Cross multiply
    122,853.96x = 169,547.04 × 69,144.12
  4. Step 4: Simplify right side
    122,853.96x = 11,723,180,879.40
  5. Step 5: Solve for x
    x = 11,723,180,879.40/122,853.96
  6. Step 6: Final answer
    x = 95,423.71

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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.