Home / 97,918.06-146,764.36-45,216.76

Finding the Fourth Proportional to 97,918.06, 146,764.36 and 45,216.76

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Solution

The fourth proportional to 97,918.06, 146,764.36 and 45,216.76 is: 67,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,918.06 : 146,764.36 = 45,216.76 : x
  2. Step 2: Convert to fraction form
    97,918.06/146,764.36 = 45,216.76/x
  3. Step 3: Cross multiply
    97,918.06x = 146,764.36 × 45,216.76
  4. Step 4: Simplify right side
    97,918.06x = 6,636,208,842.67
  5. Step 5: Solve for x
    x = 6,636,208,842.67/97,918.06
  6. Step 6: Final answer
    x = 67,773.08

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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.