Home / 86,774.98-130,206.29-39,359.85

Finding the Fourth Proportional to 86,774.98, 130,206.29 and 39,359.85

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Solution

The fourth proportional to 86,774.98, 130,206.29 and 39,359.85 is: 59,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,774.98 : 130,206.29 = 39,359.85 : x
  2. Step 2: Convert to fraction form
    86,774.98/130,206.29 = 39,359.85/x
  3. Step 3: Cross multiply
    86,774.98x = 130,206.29 × 39,359.85
  4. Step 4: Simplify right side
    86,774.98x = 5,124,900,334.93
  5. Step 5: Solve for x
    x = 5,124,900,334.93/86,774.98
  6. Step 6: Final answer
    x = 59,059.65

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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.