Home / 243,150.06-335,603.07-142,580.46

Finding the Fourth Proportional to 243,150.06, 335,603.07 and 142,580.46

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Solution

The fourth proportional to 243,150.06, 335,603.07 and 142,580.46 is: 196,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,150.06 : 335,603.07 = 142,580.46 : x
  2. Step 2: Convert to fraction form
    243,150.06/335,603.07 = 142,580.46/x
  3. Step 3: Cross multiply
    243,150.06x = 335,603.07 × 142,580.46
  4. Step 4: Simplify right side
    243,150.06x = 47,850,440,098.01
  5. Step 5: Solve for x
    x = 47,850,440,098.01/243,150.06
  6. Step 6: Final answer
    x = 196,793.87

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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.