Home / 86,328.98-119,125.41-63,680.21

Finding the Fourth Proportional to 86,328.98, 119,125.41 and 63,680.21

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Solution

The fourth proportional to 86,328.98, 119,125.41 and 63,680.21 is: 87,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,328.98 : 119,125.41 = 63,680.21 : x
  2. Step 2: Convert to fraction form
    86,328.98/119,125.41 = 63,680.21/x
  3. Step 3: Cross multiply
    86,328.98x = 119,125.41 × 63,680.21
  4. Step 4: Simplify right side
    86,328.98x = 7,585,931,125.14
  5. Step 5: Solve for x
    x = 7,585,931,125.14/86,328.98
  6. Step 6: Final answer
    x = 87,872.36

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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.