Home / 142,449.02-213,522.86-53,664.14

Finding the Fourth Proportional to 142,449.02, 213,522.86 and 53,664.14

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Solution

The fourth proportional to 142,449.02, 213,522.86 and 53,664.14 is: 80,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,449.02 : 213,522.86 = 53,664.14 : x
  2. Step 2: Convert to fraction form
    142,449.02/213,522.86 = 53,664.14/x
  3. Step 3: Cross multiply
    142,449.02x = 213,522.86 × 53,664.14
  4. Step 4: Simplify right side
    142,449.02x = 11,458,520,652.24
  5. Step 5: Solve for x
    x = 11,458,520,652.24/142,449.02
  6. Step 6: Final answer
    x = 80,439.45

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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.