Home / 243,349.04-335,799.78-135,904.16

Finding the Fourth Proportional to 243,349.04, 335,799.78 and 135,904.16

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Solution

The fourth proportional to 243,349.04, 335,799.78 and 135,904.16 is: 187,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,349.04 : 335,799.78 = 135,904.16 : x
  2. Step 2: Convert to fraction form
    243,349.04/335,799.78 = 135,904.16/x
  3. Step 3: Cross multiply
    243,349.04x = 335,799.78 × 135,904.16
  4. Step 4: Simplify right side
    243,349.04x = 45,636,587,029.08
  5. Step 5: Solve for x
    x = 45,636,587,029.08/243,349.04
  6. Step 6: Final answer
    x = 187,535.51

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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.