Home / 181,007.30-249,790.05-100,435.39

Finding the Fourth Proportional to 181,007.30, 249,790.05 and 100,435.39

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Solution

The fourth proportional to 181,007.30, 249,790.05 and 100,435.39 is: 138,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.30 : 249,790.05 = 100,435.39 : x
  2. Step 2: Convert to fraction form
    181,007.30/249,790.05 = 100,435.39/x
  3. Step 3: Cross multiply
    181,007.30x = 249,790.05 × 100,435.39
  4. Step 4: Simplify right side
    181,007.30x = 25,087,760,465.39
  5. Step 5: Solve for x
    x = 25,087,760,465.39/181,007.30
  6. Step 6: Final answer
    x = 138,600.82

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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.