Home / 142,131.52-212,964-48,586.24

Finding the Fourth Proportional to 142,131.52, 212,964 and 48,586.24

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Solution

The fourth proportional to 142,131.52, 212,964 and 48,586.24 is: 72,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,131.52 : 212,964 = 48,586.24 : x
  2. Step 2: Convert to fraction form
    142,131.52/212,964 = 48,586.24/x
  3. Step 3: Cross multiply
    142,131.52x = 212,964 × 48,586.24
  4. Step 4: Simplify right side
    142,131.52x = 10,347,120,015.36
  5. Step 5: Solve for x
    x = 10,347,120,015.36/142,131.52
  6. Step 6: Final answer
    x = 72,799.62

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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.