Home / 142,321.92-213,410.40-47,518.08

Finding the Fourth Proportional to 142,321.92, 213,410.40 and 47,518.08

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Solution

The fourth proportional to 142,321.92, 213,410.40 and 47,518.08 is: 71,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,321.92 : 213,410.40 = 47,518.08 : x
  2. Step 2: Convert to fraction form
    142,321.92/213,410.40 = 47,518.08/x
  3. Step 3: Cross multiply
    142,321.92x = 213,410.40 × 47,518.08
  4. Step 4: Simplify right side
    142,321.92x = 10,140,852,460.03
  5. Step 5: Solve for x
    x = 10,140,852,460.03/142,321.92
  6. Step 6: Final answer
    x = 71,252.92

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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.