Home / 142,392.36-213,614.28-47,613.54

Finding the Fourth Proportional to 142,392.36, 213,614.28 and 47,613.54

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Solution

The fourth proportional to 142,392.36, 213,614.28 and 47,613.54 is: 71,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,392.36 : 213,614.28 = 47,613.54 : x
  2. Step 2: Convert to fraction form
    142,392.36/213,614.28 = 47,613.54/x
  3. Step 3: Cross multiply
    142,392.36x = 213,614.28 × 47,613.54
  4. Step 4: Simplify right side
    142,392.36x = 10,170,932,065.35
  5. Step 5: Solve for x
    x = 10,170,932,065.35/142,392.36
  6. Step 6: Final answer
    x = 71,428.92

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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.