Home / 243,465.47-335,983.40-133,086.36

Finding the Fourth Proportional to 243,465.47, 335,983.40 and 133,086.36

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Solution

The fourth proportional to 243,465.47, 335,983.40 and 133,086.36 is: 183,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,465.47 : 335,983.40 = 133,086.36 : x
  2. Step 2: Convert to fraction form
    243,465.47/335,983.40 = 133,086.36/x
  3. Step 3: Cross multiply
    243,465.47x = 335,983.40 × 133,086.36
  4. Step 4: Simplify right side
    243,465.47x = 44,714,808,059.14
  5. Step 5: Solve for x
    x = 44,714,808,059.14/243,465.47
  6. Step 6: Final answer
    x = 183,659.75

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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.