Home / 119,095.60-178,507.50-47,972.70

Finding the Fourth Proportional to 119,095.60, 178,507.50 and 47,972.70

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Solution

The fourth proportional to 119,095.60, 178,507.50 and 47,972.70 is: 71,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,095.60 : 178,507.50 = 47,972.70 : x
  2. Step 2: Convert to fraction form
    119,095.60/178,507.50 = 47,972.70/x
  3. Step 3: Cross multiply
    119,095.60x = 178,507.50 × 47,972.70
  4. Step 4: Simplify right side
    119,095.60x = 8,563,486,745.25
  5. Step 5: Solve for x
    x = 8,563,486,745.25/119,095.60
  6. Step 6: Final answer
    x = 71,904.31

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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.