Home / 122,518.04-169,074.20-68,807.74

Finding the Fourth Proportional to 122,518.04, 169,074.20 and 68,807.74

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Solution

The fourth proportional to 122,518.04, 169,074.20 and 68,807.74 is: 94,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,518.04 : 169,074.20 = 68,807.74 : x
  2. Step 2: Convert to fraction form
    122,518.04/169,074.20 = 68,807.74/x
  3. Step 3: Cross multiply
    122,518.04x = 169,074.20 × 68,807.74
  4. Step 4: Simplify right side
    122,518.04x = 11,633,613,594.31
  5. Step 5: Solve for x
    x = 11,633,613,594.31/122,518.04
  6. Step 6: Final answer
    x = 94,954.29

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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.