Home / 139,515.10-209,272.65-97,524.70

Finding the Fourth Proportional to 139,515.10, 209,272.65 and 97,524.70

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Solution

The fourth proportional to 139,515.10, 209,272.65 and 97,524.70 is: 146,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,515.10 : 209,272.65 = 97,524.70 : x
  2. Step 2: Convert to fraction form
    139,515.10/209,272.65 = 97,524.70/x
  3. Step 3: Cross multiply
    139,515.10x = 209,272.65 × 97,524.70
  4. Step 4: Simplify right side
    139,515.10x = 20,409,252,409.46
  5. Step 5: Solve for x
    x = 20,409,252,409.46/139,515.10
  6. Step 6: Final answer
    x = 146,287.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.