Home / 91,998.69-137,984.17-58,949.70

Finding the Fourth Proportional to 91,998.69, 137,984.17 and 58,949.70

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Solution

The fourth proportional to 91,998.69, 137,984.17 and 58,949.70 is: 88,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,998.69 : 137,984.17 = 58,949.70 : x
  2. Step 2: Convert to fraction form
    91,998.69/137,984.17 = 58,949.70/x
  3. Step 3: Cross multiply
    91,998.69x = 137,984.17 × 58,949.70
  4. Step 4: Simplify right side
    91,998.69x = 8,134,125,094.25
  5. Step 5: Solve for x
    x = 8,134,125,094.25/91,998.69
  6. Step 6: Final answer
    x = 88,415.67

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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.