Home / 181,010.28-249,790.35-100,436.07

Finding the Fourth Proportional to 181,010.28, 249,790.35 and 100,436.07

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Solution

The fourth proportional to 181,010.28, 249,790.35 and 100,436.07 is: 138,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,010.28 : 249,790.35 = 100,436.07 : x
  2. Step 2: Convert to fraction form
    181,010.28/249,790.35 = 100,436.07/x
  3. Step 3: Cross multiply
    181,010.28x = 249,790.35 × 100,436.07
  4. Step 4: Simplify right side
    181,010.28x = 25,087,961,077.92
  5. Step 5: Solve for x
    x = 25,087,961,077.92/181,010.28
  6. Step 6: Final answer
    x = 138,599.65

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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.