Home / 181,072.19-249,867.89-100,499.74

Finding the Fourth Proportional to 181,072.19, 249,867.89 and 100,499.74

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Solution

The fourth proportional to 181,072.19, 249,867.89 and 100,499.74 is: 138,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,072.19 : 249,867.89 = 100,499.74 : x
  2. Step 2: Convert to fraction form
    181,072.19/249,867.89 = 100,499.74/x
  3. Step 3: Cross multiply
    181,072.19x = 249,867.89 × 100,499.74
  4. Step 4: Simplify right side
    181,072.19x = 25,111,657,229.05
  5. Step 5: Solve for x
    x = 25,111,657,229.05/181,072.19
  6. Step 6: Final answer
    x = 138,683.12

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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.