Home / 143,591.93-215,387.81-38,408.16

Finding the Fourth Proportional to 143,591.93, 215,387.81 and 38,408.16

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Solution

The fourth proportional to 143,591.93, 215,387.81 and 38,408.16 is: 57,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,591.93 : 215,387.81 = 38,408.16 : x
  2. Step 2: Convert to fraction form
    143,591.93/215,387.81 = 38,408.16/x
  3. Step 3: Cross multiply
    143,591.93x = 215,387.81 × 38,408.16
  4. Step 4: Simplify right side
    143,591.93x = 8,272,649,468.53
  5. Step 5: Solve for x
    x = 8,272,649,468.53/143,591.93
  6. Step 6: Final answer
    x = 57,612.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.