Home / 124,790.19-187,185.13-30,020.29

Finding the Fourth Proportional to 124,790.19, 187,185.13 and 30,020.29

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Solution

The fourth proportional to 124,790.19, 187,185.13 and 30,020.29 is: 45,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,790.19 : 187,185.13 = 30,020.29 : x
  2. Step 2: Convert to fraction form
    124,790.19/187,185.13 = 30,020.29/x
  3. Step 3: Cross multiply
    124,790.19x = 187,185.13 × 30,020.29
  4. Step 4: Simplify right side
    124,790.19x = 5,619,351,343.27
  5. Step 5: Solve for x
    x = 5,619,351,343.27/124,790.19
  6. Step 6: Final answer
    x = 45,030.39

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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.