Home / 142,550.57-213,873.36-47,790.12

Finding the Fourth Proportional to 142,550.57, 213,873.36 and 47,790.12

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Solution

The fourth proportional to 142,550.57, 213,873.36 and 47,790.12 is: 71,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,550.57 : 213,873.36 = 47,790.12 : x
  2. Step 2: Convert to fraction form
    142,550.57/213,873.36 = 47,790.12/x
  3. Step 3: Cross multiply
    142,550.57x = 213,873.36 × 47,790.12
  4. Step 4: Simplify right side
    142,550.57x = 10,221,033,539.20
  5. Step 5: Solve for x
    x = 10,221,033,539.20/142,550.57
  6. Step 6: Final answer
    x = 71,701.11

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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.