Home / 86,320.44-119,154.59-63,840.35

Finding the Fourth Proportional to 86,320.44, 119,154.59 and 63,840.35

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Solution

The fourth proportional to 86,320.44, 119,154.59 and 63,840.35 is: 88,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,320.44 : 119,154.59 = 63,840.35 : x
  2. Step 2: Convert to fraction form
    86,320.44/119,154.59 = 63,840.35/x
  3. Step 3: Cross multiply
    86,320.44x = 119,154.59 × 63,840.35
  4. Step 4: Simplify right side
    86,320.44x = 7,606,869,814.73
  5. Step 5: Solve for x
    x = 7,606,869,814.73/86,320.44
  6. Step 6: Final answer
    x = 88,123.62

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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.