Home / 243,071.81-335,439.17-134,176.22

Finding the Fourth Proportional to 243,071.81, 335,439.17 and 134,176.22

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Solution

The fourth proportional to 243,071.81, 335,439.17 and 134,176.22 is: 185,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,071.81 : 335,439.17 = 134,176.22 : x
  2. Step 2: Convert to fraction form
    243,071.81/335,439.17 = 134,176.22/x
  3. Step 3: Cross multiply
    243,071.81x = 335,439.17 × 134,176.22
  4. Step 4: Simplify right side
    243,071.81x = 45,007,958,340.10
  5. Step 5: Solve for x
    x = 45,007,958,340.10/243,071.81
  6. Step 6: Final answer
    x = 185,163.21

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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.