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Finding the Fourth Proportional to 86,814.80, 130,222.20 and 24,477.20

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Solution

The fourth proportional to 86,814.80, 130,222.20 and 24,477.20 is: 36,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,814.80 : 130,222.20 = 24,477.20 : x
  2. Step 2: Convert to fraction form
    86,814.80/130,222.20 = 24,477.20/x
  3. Step 3: Cross multiply
    86,814.80x = 130,222.20 × 24,477.20
  4. Step 4: Simplify right side
    86,814.80x = 3,187,474,833.84
  5. Step 5: Solve for x
    x = 3,187,474,833.84/86,814.80
  6. Step 6: Final answer
    x = 36,715.80

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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.