Home / 136,154.80-204,238.14-47,415.16

Finding the Fourth Proportional to 136,154.80, 204,238.14 and 47,415.16

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Solution

The fourth proportional to 136,154.80, 204,238.14 and 47,415.16 is: 71,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,154.80 : 204,238.14 = 47,415.16 : x
  2. Step 2: Convert to fraction form
    136,154.80/204,238.14 = 47,415.16/x
  3. Step 3: Cross multiply
    136,154.80x = 204,238.14 × 47,415.16
  4. Step 4: Simplify right side
    136,154.80x = 9,683,984,086.20
  5. Step 5: Solve for x
    x = 9,683,984,086.20/136,154.80
  6. Step 6: Final answer
    x = 71,124.81

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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.