Home / 144,225.39-198,901.74-120,106.20

Finding the Fourth Proportional to 144,225.39, 198,901.74 and 120,106.20

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Solution

The fourth proportional to 144,225.39, 198,901.74 and 120,106.20 is: 165,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,225.39 : 198,901.74 = 120,106.20 : x
  2. Step 2: Convert to fraction form
    144,225.39/198,901.74 = 120,106.20/x
  3. Step 3: Cross multiply
    144,225.39x = 198,901.74 × 120,106.20
  4. Step 4: Simplify right side
    144,225.39x = 23,889,332,164.79
  5. Step 5: Solve for x
    x = 23,889,332,164.79/144,225.39
  6. Step 6: Final answer
    x = 165,638.88

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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.