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Finding the Fourth Proportional to 98,355.85, 146,973.83 and 73,852.74

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Solution

The fourth proportional to 98,355.85, 146,973.83 and 73,852.74 is: 110,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,355.85 : 146,973.83 = 73,852.74 : x
  2. Step 2: Convert to fraction form
    98,355.85/146,973.83 = 73,852.74/x
  3. Step 3: Cross multiply
    98,355.85x = 146,973.83 × 73,852.74
  4. Step 4: Simplify right side
    98,355.85x = 10,854,419,684.53
  5. Step 5: Solve for x
    x = 10,854,419,684.53/98,355.85
  6. Step 6: Final answer
    x = 110,358.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.