Home / 123,434.34-170,339.67-66,845.70

Finding the Fourth Proportional to 123,434.34, 170,339.67 and 66,845.70

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Solution

The fourth proportional to 123,434.34, 170,339.67 and 66,845.70 is: 92,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,434.34 : 170,339.67 = 66,845.70 : x
  2. Step 2: Convert to fraction form
    123,434.34/170,339.67 = 66,845.70/x
  3. Step 3: Cross multiply
    123,434.34x = 170,339.67 × 66,845.70
  4. Step 4: Simplify right side
    123,434.34x = 11,386,474,478.92
  5. Step 5: Solve for x
    x = 11,386,474,478.92/123,434.34
  6. Step 6: Final answer
    x = 92,247.22

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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.