Home / 180,641.34-249,281.37-100,067.58

Finding the Fourth Proportional to 180,641.34, 249,281.37 and 100,067.58

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Solution

The fourth proportional to 180,641.34, 249,281.37 and 100,067.58 is: 138,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,641.34 : 249,281.37 = 100,067.58 : x
  2. Step 2: Convert to fraction form
    180,641.34/249,281.37 = 100,067.58/x
  3. Step 3: Cross multiply
    180,641.34x = 249,281.37 × 100,067.58
  4. Step 4: Simplify right side
    180,641.34x = 24,944,983,434.98
  5. Step 5: Solve for x
    x = 24,944,983,434.98/180,641.34
  6. Step 6: Final answer
    x = 138,091.22

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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.