Home / 103,477.60-142,791.20-58,147.01

Finding the Fourth Proportional to 103,477.60, 142,791.20 and 58,147.01

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Solution

The fourth proportional to 103,477.60, 142,791.20 and 58,147.01 is: 80,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477.60 : 142,791.20 = 58,147.01 : x
  2. Step 2: Convert to fraction form
    103,477.60/142,791.20 = 58,147.01/x
  3. Step 3: Cross multiply
    103,477.60x = 142,791.20 × 58,147.01
  4. Step 4: Simplify right side
    103,477.60x = 8,302,882,213.42
  5. Step 5: Solve for x
    x = 8,302,882,213.42/103,477.60
  6. Step 6: Final answer
    x = 80,238.45

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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.