Home / 158,135.10-218,204.91-94,459.38

Finding the Fourth Proportional to 158,135.10, 218,204.91 and 94,459.38

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Solution

The fourth proportional to 158,135.10, 218,204.91 and 94,459.38 is: 130,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135.10 : 218,204.91 = 94,459.38 : x
  2. Step 2: Convert to fraction form
    158,135.10/218,204.91 = 94,459.38/x
  3. Step 3: Cross multiply
    158,135.10x = 218,204.91 × 94,459.38
  4. Step 4: Simplify right side
    158,135.10x = 20,611,500,511.56
  5. Step 5: Solve for x
    x = 20,611,500,511.56/158,135.10
  6. Step 6: Final answer
    x = 130,341.09

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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.