Home / 181,073.19-249,869.27-100,500.74

Finding the Fourth Proportional to 181,073.19, 249,869.27 and 100,500.74

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Solution

The fourth proportional to 181,073.19, 249,869.27 and 100,500.74 is: 138,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,073.19 : 249,869.27 = 100,500.74 : x
  2. Step 2: Convert to fraction form
    181,073.19/249,869.27 = 100,500.74/x
  3. Step 3: Cross multiply
    181,073.19x = 249,869.27 × 100,500.74
  4. Step 4: Simplify right side
    181,073.19x = 25,112,046,538.26
  5. Step 5: Solve for x
    x = 25,112,046,538.26/181,073.19
  6. Step 6: Final answer
    x = 138,684.51

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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.