Home / 142,090.28-213,135.36-42,250.04

Finding the Fourth Proportional to 142,090.28, 213,135.36 and 42,250.04

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Solution

The fourth proportional to 142,090.28, 213,135.36 and 42,250.04 is: 63,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,090.28 : 213,135.36 = 42,250.04 : x
  2. Step 2: Convert to fraction form
    142,090.28/213,135.36 = 42,250.04/x
  3. Step 3: Cross multiply
    142,090.28x = 213,135.36 × 42,250.04
  4. Step 4: Simplify right side
    142,090.28x = 9,004,977,485.41
  5. Step 5: Solve for x
    x = 9,004,977,485.41/142,090.28
  6. Step 6: Final answer
    x = 63,375.04

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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.