Home / 145,727.10-202,020.48-137,744.55

Finding the Fourth Proportional to 145,727.10, 202,020.48 and 137,744.55

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Solution

The fourth proportional to 145,727.10, 202,020.48 and 137,744.55 is: 190,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,727.10 : 202,020.48 = 137,744.55 : x
  2. Step 2: Convert to fraction form
    145,727.10/202,020.48 = 137,744.55/x
  3. Step 3: Cross multiply
    145,727.10x = 202,020.48 × 137,744.55
  4. Step 4: Simplify right side
    145,727.10x = 27,827,220,108.38
  5. Step 5: Solve for x
    x = 27,827,220,108.38/145,727.10
  6. Step 6: Final answer
    x = 190,954.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.