Home / 243,035.06-335,449.95-145,023.80

Finding the Fourth Proportional to 243,035.06, 335,449.95 and 145,023.80

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Solution

The fourth proportional to 243,035.06, 335,449.95 and 145,023.80 is: 200,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,035.06 : 335,449.95 = 145,023.80 : x
  2. Step 2: Convert to fraction form
    243,035.06/335,449.95 = 145,023.80/x
  3. Step 3: Cross multiply
    243,035.06x = 335,449.95 × 145,023.80
  4. Step 4: Simplify right side
    243,035.06x = 48,648,226,458.81
  5. Step 5: Solve for x
    x = 48,648,226,458.81/243,035.06
  6. Step 6: Final answer
    x = 200,169.58

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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.