Home / 202,128.90-302,610.15-181,133.70

Finding the Fourth Proportional to 202,128.90, 302,610.15 and 181,133.70

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Solution

The fourth proportional to 202,128.90, 302,610.15 and 181,133.70 is: 271,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,128.90 : 302,610.15 = 181,133.70 : x
  2. Step 2: Convert to fraction form
    202,128.90/302,610.15 = 181,133.70/x
  3. Step 3: Cross multiply
    202,128.90x = 302,610.15 × 181,133.70
  4. Step 4: Simplify right side
    202,128.90x = 54,812,896,127.06
  5. Step 5: Solve for x
    x = 54,812,896,127.06/202,128.90
  6. Step 6: Final answer
    x = 271,177.93

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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.