Home / 123,895.63-170,962.25-68,703.56

Finding the Fourth Proportional to 123,895.63, 170,962.25 and 68,703.56

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Solution

The fourth proportional to 123,895.63, 170,962.25 and 68,703.56 is: 94,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,895.63 : 170,962.25 = 68,703.56 : x
  2. Step 2: Convert to fraction form
    123,895.63/170,962.25 = 68,703.56/x
  3. Step 3: Cross multiply
    123,895.63x = 170,962.25 × 68,703.56
  4. Step 4: Simplify right side
    123,895.63x = 11,745,715,200.61
  5. Step 5: Solve for x
    x = 11,745,715,200.61/123,895.63
  6. Step 6: Final answer
    x = 94,803.31

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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.