Home / 125,816.40-188,718.48-46,924.56

Finding the Fourth Proportional to 125,816.40, 188,718.48 and 46,924.56

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Solution

The fourth proportional to 125,816.40, 188,718.48 and 46,924.56 is: 70,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,816.40 : 188,718.48 = 46,924.56 : x
  2. Step 2: Convert to fraction form
    125,816.40/188,718.48 = 46,924.56/x
  3. Step 3: Cross multiply
    125,816.40x = 188,718.48 × 46,924.56
  4. Step 4: Simplify right side
    125,816.40x = 8,855,531,637.87
  5. Step 5: Solve for x
    x = 8,855,531,637.87/125,816.40
  6. Step 6: Final answer
    x = 70,384.56

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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.