Home / 142,406.07-213,529.14-47,586.30

Finding the Fourth Proportional to 142,406.07, 213,529.14 and 47,586.30

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Solution

The fourth proportional to 142,406.07, 213,529.14 and 47,586.30 is: 71,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,406.07 : 213,529.14 = 47,586.30 : x
  2. Step 2: Convert to fraction form
    142,406.07/213,529.14 = 47,586.30/x
  3. Step 3: Cross multiply
    142,406.07x = 213,529.14 × 47,586.30
  4. Step 4: Simplify right side
    142,406.07x = 10,161,061,714.78
  5. Step 5: Solve for x
    x = 10,161,061,714.78/142,406.07
  6. Step 6: Final answer
    x = 71,352.73

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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.