Home / 86,394.18-119,223.45-48,680.58

Finding the Fourth Proportional to 86,394.18, 119,223.45 and 48,680.58

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Solution

The fourth proportional to 86,394.18, 119,223.45 and 48,680.58 is: 67,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,394.18 : 119,223.45 = 48,680.58 : x
  2. Step 2: Convert to fraction form
    86,394.18/119,223.45 = 48,680.58/x
  3. Step 3: Cross multiply
    86,394.18x = 119,223.45 × 48,680.58
  4. Step 4: Simplify right side
    86,394.18x = 5,803,866,695.60
  5. Step 5: Solve for x
    x = 5,803,866,695.60/86,394.18
  6. Step 6: Final answer
    x = 67,178.91

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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.