Home / 181,342.77-250,253.15-100,777.80

Finding the Fourth Proportional to 181,342.77, 250,253.15 and 100,777.80

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Solution

The fourth proportional to 181,342.77, 250,253.15 and 100,777.80 is: 139,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,342.77 : 250,253.15 = 100,777.80 : x
  2. Step 2: Convert to fraction form
    181,342.77/250,253.15 = 100,777.80/x
  3. Step 3: Cross multiply
    181,342.77x = 250,253.15 × 100,777.80
  4. Step 4: Simplify right side
    181,342.77x = 25,219,962,334.63
  5. Step 5: Solve for x
    x = 25,219,962,334.63/181,342.77
  6. Step 6: Final answer
    x = 139,073.44

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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.