Home / 130,434.08-195,651.20-31,938.08

Finding the Fourth Proportional to 130,434.08, 195,651.20 and 31,938.08

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Solution

The fourth proportional to 130,434.08, 195,651.20 and 31,938.08 is: 47,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.08 : 195,651.20 = 31,938.08 : x
  2. Step 2: Convert to fraction form
    130,434.08/195,651.20 = 31,938.08/x
  3. Step 3: Cross multiply
    130,434.08x = 195,651.20 × 31,938.08
  4. Step 4: Simplify right side
    130,434.08x = 6,248,723,677.70
  5. Step 5: Solve for x
    x = 6,248,723,677.70/130,434.08
  6. Step 6: Final answer
    x = 47,907.14

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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.