Home / 181,428.46-250,360.27-100,853.10

Finding the Fourth Proportional to 181,428.46, 250,360.27 and 100,853.10

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Solution

The fourth proportional to 181,428.46, 250,360.27 and 100,853.10 is: 139,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,428.46 : 250,360.27 = 100,853.10 : x
  2. Step 2: Convert to fraction form
    181,428.46/250,360.27 = 100,853.10/x
  3. Step 3: Cross multiply
    181,428.46x = 250,360.27 × 100,853.10
  4. Step 4: Simplify right side
    181,428.46x = 25,249,609,094.20
  5. Step 5: Solve for x
    x = 25,249,609,094.20/181,428.46
  6. Step 6: Final answer
    x = 139,171.16

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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.