Home / 180,723.48-249,399.84-100,152.34

Finding the Fourth Proportional to 180,723.48, 249,399.84 and 100,152.34

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Solution

The fourth proportional to 180,723.48, 249,399.84 and 100,152.34 is: 138,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,723.48 : 249,399.84 = 100,152.34 : x
  2. Step 2: Convert to fraction form
    180,723.48/249,399.84 = 100,152.34/x
  3. Step 3: Cross multiply
    180,723.48x = 249,399.84 × 100,152.34
  4. Step 4: Simplify right side
    180,723.48x = 24,977,977,571.63
  5. Step 5: Solve for x
    x = 24,977,977,571.63/180,723.48
  6. Step 6: Final answer
    x = 138,211.03

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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.