Home / 99,710.29-149,533.07-33,132.55

Finding the Fourth Proportional to 99,710.29, 149,533.07 and 33,132.55

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Solution

The fourth proportional to 99,710.29, 149,533.07 and 33,132.55 is: 49,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,710.29 : 149,533.07 = 33,132.55 : x
  2. Step 2: Convert to fraction form
    99,710.29/149,533.07 = 33,132.55/x
  3. Step 3: Cross multiply
    99,710.29x = 149,533.07 × 33,132.55
  4. Step 4: Simplify right side
    99,710.29x = 4,954,411,005.10
  5. Step 5: Solve for x
    x = 4,954,411,005.10/99,710.29
  6. Step 6: Final answer
    x = 49,688.06

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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.