Home / 86,384.70-119,208.69-48,144.42

Finding the Fourth Proportional to 86,384.70, 119,208.69 and 48,144.42

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Solution

The fourth proportional to 86,384.70, 119,208.69 and 48,144.42 is: 66,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.70 : 119,208.69 = 48,144.42 : x
  2. Step 2: Convert to fraction form
    86,384.70/119,208.69 = 48,144.42/x
  3. Step 3: Cross multiply
    86,384.70x = 119,208.69 × 48,144.42
  4. Step 4: Simplify right side
    86,384.70x = 5,739,233,239.01
  5. Step 5: Solve for x
    x = 5,739,233,239.01/86,384.70
  6. Step 6: Final answer
    x = 66,438.08

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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.