Home / 180,722.29-249,385.48-100,145.11

Finding the Fourth Proportional to 180,722.29, 249,385.48 and 100,145.11

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Solution

The fourth proportional to 180,722.29, 249,385.48 and 100,145.11 is: 138,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,722.29 : 249,385.48 = 100,145.11 : x
  2. Step 2: Convert to fraction form
    180,722.29/249,385.48 = 100,145.11/x
  3. Step 3: Cross multiply
    180,722.29x = 249,385.48 × 100,145.11
  4. Step 4: Simplify right side
    180,722.29x = 24,974,736,327.00
  5. Step 5: Solve for x
    x = 24,974,736,327.00/180,722.29
  6. Step 6: Final answer
    x = 138,194.00

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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.