Home / 122,842.96-169,533.08-69,124.57

Finding the Fourth Proportional to 122,842.96, 169,533.08 and 69,124.57

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Solution

The fourth proportional to 122,842.96, 169,533.08 and 69,124.57 is: 95,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,842.96 : 169,533.08 = 69,124.57 : x
  2. Step 2: Convert to fraction form
    122,842.96/169,533.08 = 69,124.57/x
  3. Step 3: Cross multiply
    122,842.96x = 169,533.08 × 69,124.57
  4. Step 4: Simplify right side
    122,842.96x = 11,718,901,255.78
  5. Step 5: Solve for x
    x = 11,718,901,255.78/122,842.96
  6. Step 6: Final answer
    x = 95,397.42

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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.