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Finding the Fourth Proportional to 220,130.63, 330,200.91 and 124,678.75

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Solution

The fourth proportional to 220,130.63, 330,200.91 and 124,678.75 is: 187,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,130.63 : 330,200.91 = 124,678.75 : x
  2. Step 2: Convert to fraction form
    220,130.63/330,200.91 = 124,678.75/x
  3. Step 3: Cross multiply
    220,130.63x = 330,200.91 × 124,678.75
  4. Step 4: Simplify right side
    220,130.63x = 41,169,035,882.16
  5. Step 5: Solve for x
    x = 41,169,035,882.16/220,130.63
  6. Step 6: Final answer
    x = 187,020.93

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1.5x scale

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.