Home / 142,555.58-213,880.86-47,795.14

Finding the Fourth Proportional to 142,555.58, 213,880.86 and 47,795.14

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Solution

The fourth proportional to 142,555.58, 213,880.86 and 47,795.14 is: 71,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,555.58 : 213,880.86 = 47,795.14 : x
  2. Step 2: Convert to fraction form
    142,555.58/213,880.86 = 47,795.14/x
  3. Step 3: Cross multiply
    142,555.58x = 213,880.86 × 47,795.14
  4. Step 4: Simplify right side
    142,555.58x = 10,222,465,647.02
  5. Step 5: Solve for x
    x = 10,222,465,647.02/142,555.58
  6. Step 6: Final answer
    x = 71,708.63

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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.