Home / 142,136.04-213,278.20-57,958.44

Finding the Fourth Proportional to 142,136.04, 213,278.20 and 57,958.44

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Solution

The fourth proportional to 142,136.04, 213,278.20 and 57,958.44 is: 86,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,136.04 : 213,278.20 = 57,958.44 : x
  2. Step 2: Convert to fraction form
    142,136.04/213,278.20 = 57,958.44/x
  3. Step 3: Cross multiply
    142,136.04x = 213,278.20 × 57,958.44
  4. Step 4: Simplify right side
    142,136.04x = 12,361,271,758.01
  5. Step 5: Solve for x
    x = 12,361,271,758.01/142,136.04
  6. Step 6: Final answer
    x = 86,967.89

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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.