Home / 180,851.27-249,577.74-100,282.19

Finding the Fourth Proportional to 180,851.27, 249,577.74 and 100,282.19

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Solution

The fourth proportional to 180,851.27, 249,577.74 and 100,282.19 is: 138,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,851.27 : 249,577.74 = 100,282.19 : x
  2. Step 2: Convert to fraction form
    180,851.27/249,577.74 = 100,282.19/x
  3. Step 3: Cross multiply
    180,851.27x = 249,577.74 × 100,282.19
  4. Step 4: Simplify right side
    180,851.27x = 25,028,201,094.56
  5. Step 5: Solve for x
    x = 25,028,201,094.56/180,851.27
  6. Step 6: Final answer
    x = 138,391.08

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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.