Home / 221,031.22-304,890.13-134,950.90

Finding the Fourth Proportional to 221,031.22, 304,890.13 and 134,950.90

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Solution

The fourth proportional to 221,031.22, 304,890.13 and 134,950.90 is: 186,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,031.22 : 304,890.13 = 134,950.90 : x
  2. Step 2: Convert to fraction form
    221,031.22/304,890.13 = 134,950.90/x
  3. Step 3: Cross multiply
    221,031.22x = 304,890.13 × 134,950.90
  4. Step 4: Simplify right side
    221,031.22x = 41,145,197,444.62
  5. Step 5: Solve for x
    x = 41,145,197,444.62/221,031.22
  6. Step 6: Final answer
    x = 186,151.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.