Home / 243,004.75-335,346.56-142,402.75

Finding the Fourth Proportional to 243,004.75, 335,346.56 and 142,402.75

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Solution

The fourth proportional to 243,004.75, 335,346.56 and 142,402.75 is: 196,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,004.75 : 335,346.56 = 142,402.75 : x
  2. Step 2: Convert to fraction form
    243,004.75/335,346.56 = 142,402.75/x
  3. Step 3: Cross multiply
    243,004.75x = 335,346.56 × 142,402.75
  4. Step 4: Simplify right side
    243,004.75x = 47,754,272,347.04
  5. Step 5: Solve for x
    x = 47,754,272,347.04/243,004.75
  6. Step 6: Final answer
    x = 196,515.80

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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.