Home / 123,340.42-170,197.95-97,908.31

Finding the Fourth Proportional to 123,340.42, 170,197.95 and 97,908.31

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Solution

The fourth proportional to 123,340.42, 170,197.95 and 97,908.31 is: 135,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,340.42 : 170,197.95 = 97,908.31 : x
  2. Step 2: Convert to fraction form
    123,340.42/170,197.95 = 97,908.31/x
  3. Step 3: Cross multiply
    123,340.42x = 170,197.95 × 97,908.31
  4. Step 4: Simplify right side
    123,340.42x = 16,663,793,649.96
  5. Step 5: Solve for x
    x = 16,663,793,649.96/123,340.42
  6. Step 6: Final answer
    x = 135,104.08

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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.