Home / 142,041.62-213,055.07-42,202.64

Finding the Fourth Proportional to 142,041.62, 213,055.07 and 42,202.64

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Solution

The fourth proportional to 142,041.62, 213,055.07 and 42,202.64 is: 63,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,041.62 : 213,055.07 = 42,202.64 : x
  2. Step 2: Convert to fraction form
    142,041.62/213,055.07 = 42,202.64/x
  3. Step 3: Cross multiply
    142,041.62x = 213,055.07 × 42,202.64
  4. Step 4: Simplify right side
    142,041.62x = 8,991,485,143.10
  5. Step 5: Solve for x
    x = 8,991,485,143.10/142,041.62
  6. Step 6: Final answer
    x = 63,301.77

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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.