Home / 243,430.23-335,940.57-136,012.08

Finding the Fourth Proportional to 243,430.23, 335,940.57 and 136,012.08

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Solution

The fourth proportional to 243,430.23, 335,940.57 and 136,012.08 is: 187,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,430.23 : 335,940.57 = 136,012.08 : x
  2. Step 2: Convert to fraction form
    243,430.23/335,940.57 = 136,012.08/x
  3. Step 3: Cross multiply
    243,430.23x = 335,940.57 × 136,012.08
  4. Step 4: Simplify right side
    243,430.23x = 45,691,975,682.09
  5. Step 5: Solve for x
    x = 45,691,975,682.09/243,430.23
  6. Step 6: Final answer
    x = 187,700.50

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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.