Home / 216,743.28-299,114.87-133,975.65

Finding the Fourth Proportional to 216,743.28, 299,114.87 and 133,975.65

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Solution

The fourth proportional to 216,743.28, 299,114.87 and 133,975.65 is: 184,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,743.28 : 299,114.87 = 133,975.65 : x
  2. Step 2: Convert to fraction form
    216,743.28/299,114.87 = 133,975.65/x
  3. Step 3: Cross multiply
    216,743.28x = 299,114.87 × 133,975.65
  4. Step 4: Simplify right side
    216,743.28x = 40,074,109,132.92
  5. Step 5: Solve for x
    x = 40,074,109,132.92/216,743.28
  6. Step 6: Final answer
    x = 184,892.05

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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.