Home / 145,340.20-218,042.70-113,847.40

Finding the Fourth Proportional to 145,340.20, 218,042.70 and 113,847.40

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Solution

The fourth proportional to 145,340.20, 218,042.70 and 113,847.40 is: 170,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,340.20 : 218,042.70 = 113,847.40 : x
  2. Step 2: Convert to fraction form
    145,340.20/218,042.70 = 113,847.40/x
  3. Step 3: Cross multiply
    145,340.20x = 218,042.70 × 113,847.40
  4. Step 4: Simplify right side
    145,340.20x = 24,823,594,483.98
  5. Step 5: Solve for x
    x = 24,823,594,483.98/145,340.20
  6. Step 6: Final answer
    x = 170,796.48

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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.