Home / 170,896.72-256,397.02-121,073.20

Finding the Fourth Proportional to 170,896.72, 256,397.02 and 121,073.20

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Solution

The fourth proportional to 170,896.72, 256,397.02 and 121,073.20 is: 181,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,896.72 : 256,397.02 = 121,073.20 : x
  2. Step 2: Convert to fraction form
    170,896.72/256,397.02 = 121,073.20/x
  3. Step 3: Cross multiply
    170,896.72x = 256,397.02 × 121,073.20
  4. Step 4: Simplify right side
    170,896.72x = 31,042,807,681.86
  5. Step 5: Solve for x
    x = 31,042,807,681.86/170,896.72
  6. Step 6: Final answer
    x = 181,646.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.