Home / 143,501.17-215,173.59-92,893.39

Finding the Fourth Proportional to 143,501.17, 215,173.59 and 92,893.39

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Solution

The fourth proportional to 143,501.17, 215,173.59 and 92,893.39 is: 139,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,501.17 : 215,173.59 = 92,893.39 : x
  2. Step 2: Convert to fraction form
    143,501.17/215,173.59 = 92,893.39/x
  3. Step 3: Cross multiply
    143,501.17x = 215,173.59 × 92,893.39
  4. Step 4: Simplify right side
    143,501.17x = 19,988,204,213.57
  5. Step 5: Solve for x
    x = 19,988,204,213.57/143,501.17
  6. Step 6: Final answer
    x = 139,289.49

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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.