Home / 181,839.72-250,920.84-101,274.74

Finding the Fourth Proportional to 181,839.72, 250,920.84 and 101,274.74

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Solution

The fourth proportional to 181,839.72, 250,920.84 and 101,274.74 is: 139,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,839.72 : 250,920.84 = 101,274.74 : x
  2. Step 2: Convert to fraction form
    181,839.72/250,920.84 = 101,274.74/x
  3. Step 3: Cross multiply
    181,839.72x = 250,920.84 × 101,274.74
  4. Step 4: Simplify right side
    181,839.72x = 25,411,942,328.04
  5. Step 5: Solve for x
    x = 25,411,942,328.04/181,839.72
  6. Step 6: Final answer
    x = 139,749.13

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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.