Home / 243,282.04-335,730.86-135,853.36

Finding the Fourth Proportional to 243,282.04, 335,730.86 and 135,853.36

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Solution

The fourth proportional to 243,282.04, 335,730.86 and 135,853.36 is: 187,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,282.04 : 335,730.86 = 135,853.36 : x
  2. Step 2: Convert to fraction form
    243,282.04/335,730.86 = 135,853.36/x
  3. Step 3: Cross multiply
    243,282.04x = 335,730.86 × 135,853.36
  4. Step 4: Simplify right side
    243,282.04x = 45,610,165,386.69
  5. Step 5: Solve for x
    x = 45,610,165,386.69/243,282.04
  6. Step 6: Final answer
    x = 187,478.56

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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.