Home / 86,385.18-119,206.95-48,657.06

Finding the Fourth Proportional to 86,385.18, 119,206.95 and 48,657.06

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Solution

The fourth proportional to 86,385.18, 119,206.95 and 48,657.06 is: 67,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,385.18 : 119,206.95 = 48,657.06 : x
  2. Step 2: Convert to fraction form
    86,385.18/119,206.95 = 48,657.06/x
  3. Step 3: Cross multiply
    86,385.18x = 119,206.95 × 48,657.06
  4. Step 4: Simplify right side
    86,385.18x = 5,800,259,718.57
  5. Step 5: Solve for x
    x = 5,800,259,718.57/86,385.18
  6. Step 6: Final answer
    x = 67,144.15

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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.