Home / 106,124.81-146,461.03-58,386.85

Finding the Fourth Proportional to 106,124.81, 146,461.03 and 58,386.85

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Solution

The fourth proportional to 106,124.81, 146,461.03 and 58,386.85 is: 80,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,124.81 : 146,461.03 = 58,386.85 : x
  2. Step 2: Convert to fraction form
    106,124.81/146,461.03 = 58,386.85/x
  3. Step 3: Cross multiply
    106,124.81x = 146,461.03 × 58,386.85
  4. Step 4: Simplify right side
    106,124.81x = 8,551,397,677.34
  5. Step 5: Solve for x
    x = 8,551,397,677.34/106,124.81
  6. Step 6: Final answer
    x = 80,578.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.