Home / 342,066.06-513,154.20-105,408.63

Finding the Fourth Proportional to 342,066.06, 513,154.20 and 105,408.63

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Solution

The fourth proportional to 342,066.06, 513,154.20 and 105,408.63 is: 158,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,066.06 : 513,154.20 = 105,408.63 : x
  2. Step 2: Convert to fraction form
    342,066.06/513,154.20 = 105,408.63/x
  3. Step 3: Cross multiply
    342,066.06x = 513,154.20 × 105,408.63
  4. Step 4: Simplify right side
    342,066.06x = 54,090,881,200.75
  5. Step 5: Solve for x
    x = 54,090,881,200.75/342,066.06
  6. Step 6: Final answer
    x = 158,129.93

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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.