Home / 122,909.29-169,617.98-69,196.21

Finding the Fourth Proportional to 122,909.29, 169,617.98 and 69,196.21

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Solution

The fourth proportional to 122,909.29, 169,617.98 and 69,196.21 is: 95,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,909.29 : 169,617.98 = 69,196.21 : x
  2. Step 2: Convert to fraction form
    122,909.29/169,617.98 = 69,196.21/x
  3. Step 3: Cross multiply
    122,909.29x = 169,617.98 × 69,196.21
  4. Step 4: Simplify right side
    122,909.29x = 11,736,921,363.86
  5. Step 5: Solve for x
    x = 11,736,921,363.86/122,909.29
  6. Step 6: Final answer
    x = 95,492.55

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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.