Home / 122,771.32-169,423.19-68,322.56

Finding the Fourth Proportional to 122,771.32, 169,423.19 and 68,322.56

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Solution

The fourth proportional to 122,771.32, 169,423.19 and 68,322.56 is: 94,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,771.32 : 169,423.19 = 68,322.56 : x
  2. Step 2: Convert to fraction form
    122,771.32/169,423.19 = 68,322.56/x
  3. Step 3: Cross multiply
    122,771.32x = 169,423.19 × 68,322.56
  4. Step 4: Simplify right side
    122,771.32x = 11,575,426,064.17
  5. Step 5: Solve for x
    x = 11,575,426,064.17/122,771.32
  6. Step 6: Final answer
    x = 94,284.45

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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.