Home / 91,399.68-136,852.20-59,730.84

Finding the Fourth Proportional to 91,399.68, 136,852.20 and 59,730.84

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Solution

The fourth proportional to 91,399.68, 136,852.20 and 59,730.84 is: 89,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,399.68 : 136,852.20 = 59,730.84 : x
  2. Step 2: Convert to fraction form
    91,399.68/136,852.20 = 59,730.84/x
  3. Step 3: Cross multiply
    91,399.68x = 136,852.20 × 59,730.84
  4. Step 4: Simplify right side
    91,399.68x = 8,174,296,861.85
  5. Step 5: Solve for x
    x = 8,174,296,861.85/91,399.68
  6. Step 6: Final answer
    x = 89,434.63

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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.