Home / 109,948.47-164,938.91-39,811.38

Finding the Fourth Proportional to 109,948.47, 164,938.91 and 39,811.38

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Solution

The fourth proportional to 109,948.47, 164,938.91 and 39,811.38 is: 59,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.47 : 164,938.91 = 39,811.38 : x
  2. Step 2: Convert to fraction form
    109,948.47/164,938.91 = 39,811.38/x
  3. Step 3: Cross multiply
    109,948.47x = 164,938.91 × 39,811.38
  4. Step 4: Simplify right side
    109,948.47x = 6,566,445,423.74
  5. Step 5: Solve for x
    x = 6,566,445,423.74/109,948.47
  6. Step 6: Final answer
    x = 59,722.94

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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.