Home / 142,164.88-213,232.67-47,384.83

Finding the Fourth Proportional to 142,164.88, 213,232.67 and 47,384.83

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Solution

The fourth proportional to 142,164.88, 213,232.67 and 47,384.83 is: 71,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164.88 : 213,232.67 = 47,384.83 : x
  2. Step 2: Convert to fraction form
    142,164.88/213,232.67 = 47,384.83/x
  3. Step 3: Cross multiply
    142,164.88x = 213,232.67 × 47,384.83
  4. Step 4: Simplify right side
    142,164.88x = 10,103,993,818.40
  5. Step 5: Solve for x
    x = 10,103,993,818.40/142,164.88
  6. Step 6: Final answer
    x = 71,072.36

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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.