Home / 180,667.91-249,301.56-100,075.46

Finding the Fourth Proportional to 180,667.91, 249,301.56 and 100,075.46

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Solution

The fourth proportional to 180,667.91, 249,301.56 and 100,075.46 is: 138,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,667.91 : 249,301.56 = 100,075.46 : x
  2. Step 2: Convert to fraction form
    180,667.91/249,301.56 = 100,075.46/x
  3. Step 3: Cross multiply
    180,667.91x = 249,301.56 × 100,075.46
  4. Step 4: Simplify right side
    180,667.91x = 24,948,968,295.72
  5. Step 5: Solve for x
    x = 24,948,968,295.72/180,667.91
  6. Step 6: Final answer
    x = 138,092.97

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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.