Home / 143,270.64-197,652.16-89,462.24

Finding the Fourth Proportional to 143,270.64, 197,652.16 and 89,462.24

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Solution

The fourth proportional to 143,270.64, 197,652.16 and 89,462.24 is: 123,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,270.64 : 197,652.16 = 89,462.24 : x
  2. Step 2: Convert to fraction form
    143,270.64/197,652.16 = 89,462.24/x
  3. Step 3: Cross multiply
    143,270.64x = 197,652.16 × 89,462.24
  4. Step 4: Simplify right side
    143,270.64x = 17,682,405,580.40
  5. Step 5: Solve for x
    x = 17,682,405,580.40/143,270.64
  6. Step 6: Final answer
    x = 123,419.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.