Home / 142,271.64-213,202.80-104,535.36

Finding the Fourth Proportional to 142,271.64, 213,202.80 and 104,535.36

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Solution

The fourth proportional to 142,271.64, 213,202.80 and 104,535.36 is: 156,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,271.64 : 213,202.80 = 104,535.36 : x
  2. Step 2: Convert to fraction form
    142,271.64/213,202.80 = 104,535.36/x
  3. Step 3: Cross multiply
    142,271.64x = 213,202.80 × 104,535.36
  4. Step 4: Simplify right side
    142,271.64x = 22,287,231,451.01
  5. Step 5: Solve for x
    x = 22,287,231,451.01/142,271.64
  6. Step 6: Final answer
    x = 156,652.66

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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.