Home / 259,740.95-389,622.56-102,003.57

Finding the Fourth Proportional to 259,740.95, 389,622.56 and 102,003.57

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Solution

The fourth proportional to 259,740.95, 389,622.56 and 102,003.57 is: 153,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,740.95 : 389,622.56 = 102,003.57 : x
  2. Step 2: Convert to fraction form
    259,740.95/389,622.56 = 102,003.57/x
  3. Step 3: Cross multiply
    259,740.95x = 389,622.56 × 102,003.57
  4. Step 4: Simplify right side
    259,740.95x = 39,742,891,562.52
  5. Step 5: Solve for x
    x = 39,742,891,562.52/259,740.95
  6. Step 6: Final answer
    x = 153,009.73

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1.5x scale

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.