Home / 146,480.69-202,135.17-81,937.47

Finding the Fourth Proportional to 146,480.69, 202,135.17 and 81,937.47

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Solution

The fourth proportional to 146,480.69, 202,135.17 and 81,937.47 is: 113,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,480.69 : 202,135.17 = 81,937.47 : x
  2. Step 2: Convert to fraction form
    146,480.69/202,135.17 = 81,937.47/x
  3. Step 3: Cross multiply
    146,480.69x = 202,135.17 × 81,937.47
  4. Step 4: Simplify right side
    146,480.69x = 16,562,443,977.08
  5. Step 5: Solve for x
    x = 16,562,443,977.08/146,480.69
  6. Step 6: Final answer
    x = 113,069.13

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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.