Home / 123,341.31-170,211.42-66,752.69

Finding the Fourth Proportional to 123,341.31, 170,211.42 and 66,752.69

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Solution

The fourth proportional to 123,341.31, 170,211.42 and 66,752.69 is: 92,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,341.31 : 170,211.42 = 66,752.69 : x
  2. Step 2: Convert to fraction form
    123,341.31/170,211.42 = 66,752.69/x
  3. Step 3: Cross multiply
    123,341.31x = 170,211.42 × 66,752.69
  4. Step 4: Simplify right side
    123,341.31x = 11,362,069,302.66
  5. Step 5: Solve for x
    x = 11,362,069,302.66/123,341.31
  6. Step 6: Final answer
    x = 92,118.93

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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.