Home / 144,502.20-217,271.70-121,692.60

Finding the Fourth Proportional to 144,502.20, 217,271.70 and 121,692.60

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Solution

The fourth proportional to 144,502.20, 217,271.70 and 121,692.60 is: 182,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,502.20 : 217,271.70 = 121,692.60 : x
  2. Step 2: Convert to fraction form
    144,502.20/217,271.70 = 121,692.60/x
  3. Step 3: Cross multiply
    144,502.20x = 217,271.70 × 121,692.60
  4. Step 4: Simplify right side
    144,502.20x = 26,440,358,079.42
  5. Step 5: Solve for x
    x = 26,440,358,079.42/144,502.20
  6. Step 6: Final answer
    x = 182,975.47

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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.