Home / 86,135.00-118,885.32-54,346.95

Finding the Fourth Proportional to 86,135.00, 118,885.32 and 54,346.95

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Solution

The fourth proportional to 86,135.00, 118,885.32 and 54,346.95 is: 75,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,135.00 : 118,885.32 = 54,346.95 : x
  2. Step 2: Convert to fraction form
    86,135.00/118,885.32 = 54,346.95/x
  3. Step 3: Cross multiply
    86,135.00x = 118,885.32 × 54,346.95
  4. Step 4: Simplify right side
    86,135.00x = 6,461,054,541.77
  5. Step 5: Solve for x
    x = 6,461,054,541.77/86,135.00
  6. Step 6: Final answer
    x = 75,010.80

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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.