Home / 181,335.40-250,237.86-100,760.84

Finding the Fourth Proportional to 181,335.40, 250,237.86 and 100,760.84

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Solution

The fourth proportional to 181,335.40, 250,237.86 and 100,760.84 is: 139,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,335.40 : 250,237.86 = 100,760.84 : x
  2. Step 2: Convert to fraction form
    181,335.40/250,237.86 = 100,760.84/x
  3. Step 3: Cross multiply
    181,335.40x = 250,237.86 × 100,760.84
  4. Step 4: Simplify right side
    181,335.40x = 25,214,176,973.40
  5. Step 5: Solve for x
    x = 25,214,176,973.40/181,335.40
  6. Step 6: Final answer
    x = 139,047.19

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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.