Home / 142,099.56-213,178.68-53,352.72

Finding the Fourth Proportional to 142,099.56, 213,178.68 and 53,352.72

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Solution

The fourth proportional to 142,099.56, 213,178.68 and 53,352.72 is: 80,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,099.56 : 213,178.68 = 53,352.72 : x
  2. Step 2: Convert to fraction form
    142,099.56/213,178.68 = 53,352.72/x
  3. Step 3: Cross multiply
    142,099.56x = 213,178.68 × 53,352.72
  4. Step 4: Simplify right side
    142,099.56x = 11,373,662,424.01
  5. Step 5: Solve for x
    x = 11,373,662,424.01/142,099.56
  6. Step 6: Final answer
    x = 80,040.10

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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.