Home / 202,140.90-302,628.15-181,145.70

Finding the Fourth Proportional to 202,140.90, 302,628.15 and 181,145.70

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Solution

The fourth proportional to 202,140.90, 302,628.15 and 181,145.70 is: 271,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,140.90 : 302,628.15 = 181,145.70 : x
  2. Step 2: Convert to fraction form
    202,140.90/302,628.15 = 181,145.70/x
  3. Step 3: Cross multiply
    202,140.90x = 302,628.15 × 181,145.70
  4. Step 4: Simplify right side
    202,140.90x = 54,819,788,071.46
  5. Step 5: Solve for x
    x = 54,819,788,071.46/202,140.90
  6. Step 6: Final answer
    x = 271,195.92

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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.