Home / 125,447.40-188,172.18-31,953.06

Finding the Fourth Proportional to 125,447.40, 188,172.18 and 31,953.06

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Solution

The fourth proportional to 125,447.40, 188,172.18 and 31,953.06 is: 47,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,447.40 : 188,172.18 = 31,953.06 : x
  2. Step 2: Convert to fraction form
    125,447.40/188,172.18 = 31,953.06/x
  3. Step 3: Cross multiply
    125,447.40x = 188,172.18 × 31,953.06
  4. Step 4: Simplify right side
    125,447.40x = 6,012,676,957.87
  5. Step 5: Solve for x
    x = 6,012,676,957.87/125,447.40
  6. Step 6: Final answer
    x = 47,929.87

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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.