Home / 138,751.33-191,477.44-75,089.13

Finding the Fourth Proportional to 138,751.33, 191,477.44 and 75,089.13

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Solution

The fourth proportional to 138,751.33, 191,477.44 and 75,089.13 is: 103,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,751.33 : 191,477.44 = 75,089.13 : x
  2. Step 2: Convert to fraction form
    138,751.33/191,477.44 = 75,089.13/x
  3. Step 3: Cross multiply
    138,751.33x = 191,477.44 × 75,089.13
  4. Step 4: Simplify right side
    138,751.33x = 14,377,874,384.23
  5. Step 5: Solve for x
    x = 14,377,874,384.23/138,751.33
  6. Step 6: Final answer
    x = 103,623.33

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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.