Home / 155,559.48-214,615.94-101,875.11

Finding the Fourth Proportional to 155,559.48, 214,615.94 and 101,875.11

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Solution

The fourth proportional to 155,559.48, 214,615.94 and 101,875.11 is: 140,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,559.48 : 214,615.94 = 101,875.11 : x
  2. Step 2: Convert to fraction form
    155,559.48/214,615.94 = 101,875.11/x
  3. Step 3: Cross multiply
    155,559.48x = 214,615.94 × 101,875.11
  4. Step 4: Simplify right side
    155,559.48x = 21,864,022,495.25
  5. Step 5: Solve for x
    x = 21,864,022,495.25/155,559.48
  6. Step 6: Final answer
    x = 140,550.88

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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.