Home / 170,217.94-255,553.08-145,417.36

Finding the Fourth Proportional to 170,217.94, 255,553.08 and 145,417.36

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Solution

The fourth proportional to 170,217.94, 255,553.08 and 145,417.36 is: 218,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,217.94 : 255,553.08 = 145,417.36 : x
  2. Step 2: Convert to fraction form
    170,217.94/255,553.08 = 145,417.36/x
  3. Step 3: Cross multiply
    170,217.94x = 255,553.08 × 145,417.36
  4. Step 4: Simplify right side
    170,217.94x = 37,161,854,233.47
  5. Step 5: Solve for x
    x = 37,161,854,233.47/170,217.94
  6. Step 6: Final answer
    x = 218,319.26

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1.5x scale

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.