Home / 123,435.34-170,341.05-66,846.70

Finding the Fourth Proportional to 123,435.34, 170,341.05 and 66,846.70

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Solution

The fourth proportional to 123,435.34, 170,341.05 and 66,846.70 is: 92,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,435.34 : 170,341.05 = 66,846.70 : x
  2. Step 2: Convert to fraction form
    123,435.34/170,341.05 = 66,846.70/x
  3. Step 3: Cross multiply
    123,435.34x = 170,341.05 × 66,846.70
  4. Step 4: Simplify right side
    123,435.34x = 11,386,737,067.04
  5. Step 5: Solve for x
    x = 11,386,737,067.04/123,435.34
  6. Step 6: Final answer
    x = 92,248.60

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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.