Home / 181,455.19-250,405.02-100,872.34

Finding the Fourth Proportional to 181,455.19, 250,405.02 and 100,872.34

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Solution

The fourth proportional to 181,455.19, 250,405.02 and 100,872.34 is: 139,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,455.19 : 250,405.02 = 100,872.34 : x
  2. Step 2: Convert to fraction form
    181,455.19/250,405.02 = 100,872.34/x
  3. Step 3: Cross multiply
    181,455.19x = 250,405.02 × 100,872.34
  4. Step 4: Simplify right side
    181,455.19x = 25,258,939,689.13
  5. Step 5: Solve for x
    x = 25,258,939,689.13/181,455.19
  6. Step 6: Final answer
    x = 139,202.08

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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.