Home / 129,316.63-193,849.14-61,831.13

Finding the Fourth Proportional to 129,316.63, 193,849.14 and 61,831.13

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Solution

The fourth proportional to 129,316.63, 193,849.14 and 61,831.13 is: 92,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,316.63 : 193,849.14 = 61,831.13 : x
  2. Step 2: Convert to fraction form
    129,316.63/193,849.14 = 61,831.13/x
  3. Step 3: Cross multiply
    129,316.63x = 193,849.14 × 61,831.13
  4. Step 4: Simplify right side
    129,316.63x = 11,985,911,375.73
  5. Step 5: Solve for x
    x = 11,985,911,375.73/129,316.63
  6. Step 6: Final answer
    x = 92,686.54

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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.