Home / 142,555.24-213,880.40-47,794.80

Finding the Fourth Proportional to 142,555.24, 213,880.40 and 47,794.80

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Solution

The fourth proportional to 142,555.24, 213,880.40 and 47,794.80 is: 71,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,555.24 : 213,880.40 = 47,794.80 : x
  2. Step 2: Convert to fraction form
    142,555.24/213,880.40 = 47,794.80/x
  3. Step 3: Cross multiply
    142,555.24x = 213,880.40 × 47,794.80
  4. Step 4: Simplify right side
    142,555.24x = 10,222,370,941.92
  5. Step 5: Solve for x
    x = 10,222,370,941.92/142,555.24
  6. Step 6: Final answer
    x = 71,708.14

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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.