Home / 180,529.89-249,135.12-98,861.58

Finding the Fourth Proportional to 180,529.89, 249,135.12 and 98,861.58

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Solution

The fourth proportional to 180,529.89, 249,135.12 and 98,861.58 is: 136,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,529.89 : 249,135.12 = 98,861.58 : x
  2. Step 2: Convert to fraction form
    180,529.89/249,135.12 = 98,861.58/x
  3. Step 3: Cross multiply
    180,529.89x = 249,135.12 × 98,861.58
  4. Step 4: Simplify right side
    180,529.89x = 24,629,891,596.69
  5. Step 5: Solve for x
    x = 24,629,891,596.69/180,529.89
  6. Step 6: Final answer
    x = 136,431.10

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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.