Home / 105,374.93-158,282.91-89,577.50

Finding the Fourth Proportional to 105,374.93, 158,282.91 and 89,577.50

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Solution

The fourth proportional to 105,374.93, 158,282.91 and 89,577.50 is: 134,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,374.93 : 158,282.91 = 89,577.50 : x
  2. Step 2: Convert to fraction form
    105,374.93/158,282.91 = 89,577.50/x
  3. Step 3: Cross multiply
    105,374.93x = 158,282.91 × 89,577.50
  4. Step 4: Simplify right side
    105,374.93x = 14,178,586,579.11
  5. Step 5: Solve for x
    x = 14,178,586,579.11/105,374.93
  6. Step 6: Final answer
    x = 134,553.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.