Home / 142,339.44-213,436.62-47,535.54

Finding the Fourth Proportional to 142,339.44, 213,436.62 and 47,535.54

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Solution

The fourth proportional to 142,339.44, 213,436.62 and 47,535.54 is: 71,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,339.44 : 213,436.62 = 47,535.54 : x
  2. Step 2: Convert to fraction form
    142,339.44/213,436.62 = 47,535.54/x
  3. Step 3: Cross multiply
    142,339.44x = 213,436.62 × 47,535.54
  4. Step 4: Simplify right side
    142,339.44x = 10,145,824,987.47
  5. Step 5: Solve for x
    x = 10,145,824,987.47/142,339.44
  6. Step 6: Final answer
    x = 71,279.08

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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.