Home / 125,898.24-188,865.78-37,140.19

Finding the Fourth Proportional to 125,898.24, 188,865.78 and 37,140.19

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Solution

The fourth proportional to 125,898.24, 188,865.78 and 37,140.19 is: 55,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,898.24 : 188,865.78 = 37,140.19 : x
  2. Step 2: Convert to fraction form
    125,898.24/188,865.78 = 37,140.19/x
  3. Step 3: Cross multiply
    125,898.24x = 188,865.78 × 37,140.19
  4. Step 4: Simplify right side
    125,898.24x = 7,014,510,953.70
  5. Step 5: Solve for x
    x = 7,014,510,953.70/125,898.24
  6. Step 6: Final answer
    x = 55,715.72

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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.