Home / 168,415.90-251,390.74-148,487.38

Finding the Fourth Proportional to 168,415.90, 251,390.74 and 148,487.38

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Solution

The fourth proportional to 168,415.90, 251,390.74 and 148,487.38 is: 221,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,415.90 : 251,390.74 = 148,487.38 : x
  2. Step 2: Convert to fraction form
    168,415.90/251,390.74 = 148,487.38/x
  3. Step 3: Cross multiply
    168,415.90x = 251,390.74 × 148,487.38
  4. Step 4: Simplify right side
    168,415.90x = 37,328,352,338.86
  5. Step 5: Solve for x
    x = 37,328,352,338.86/168,415.90
  6. Step 6: Final answer
    x = 221,643.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.