Home / 180,851.08-249,577.48-100,282.00

Finding the Fourth Proportional to 180,851.08, 249,577.48 and 100,282.00

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Solution

The fourth proportional to 180,851.08, 249,577.48 and 100,282.00 is: 138,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,851.08 : 249,577.48 = 100,282.00 : x
  2. Step 2: Convert to fraction form
    180,851.08/249,577.48 = 100,282.00/x
  3. Step 3: Cross multiply
    180,851.08x = 249,577.48 × 100,282.00
  4. Step 4: Simplify right side
    180,851.08x = 25,028,128,350.77
  5. Step 5: Solve for x
    x = 25,028,128,350.77/180,851.08
  6. Step 6: Final answer
    x = 138,390.82

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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.