Home / 147,713.70-221,311.35-121,275.30

Finding the Fourth Proportional to 147,713.70, 221,311.35 and 121,275.30

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Solution

The fourth proportional to 147,713.70, 221,311.35 and 121,275.30 is: 181,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,713.70 : 221,311.35 = 121,275.30 : x
  2. Step 2: Convert to fraction form
    147,713.70/221,311.35 = 121,275.30/x
  3. Step 3: Cross multiply
    147,713.70x = 221,311.35 × 121,275.30
  4. Step 4: Simplify right side
    147,713.70x = 26,839,600,364.66
  5. Step 5: Solve for x
    x = 26,839,600,364.66/147,713.70
  6. Step 6: Final answer
    x = 181,700.14

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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.