Home / 106,193.76-146,572.92-70,385.28

Finding the Fourth Proportional to 106,193.76, 146,572.92 and 70,385.28

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Solution

The fourth proportional to 106,193.76, 146,572.92 and 70,385.28 is: 97,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,193.76 : 146,572.92 = 70,385.28 : x
  2. Step 2: Convert to fraction form
    106,193.76/146,572.92 = 70,385.28/x
  3. Step 3: Cross multiply
    106,193.76x = 146,572.92 × 70,385.28
  4. Step 4: Simplify right side
    106,193.76x = 10,316,576,014.62
  5. Step 5: Solve for x
    x = 10,316,576,014.62/106,193.76
  6. Step 6: Final answer
    x = 97,148.61

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1.5x scale

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.