Home / 99,935.40-149,867.82-43,802.76

Finding the Fourth Proportional to 99,935.40, 149,867.82 and 43,802.76

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Solution

The fourth proportional to 99,935.40, 149,867.82 and 43,802.76 is: 65,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.40 : 149,867.82 = 43,802.76 : x
  2. Step 2: Convert to fraction form
    99,935.40/149,867.82 = 43,802.76/x
  3. Step 3: Cross multiply
    99,935.40x = 149,867.82 × 43,802.76
  4. Step 4: Simplify right side
    99,935.40x = 6,564,624,151.18
  5. Step 5: Solve for x
    x = 6,564,624,151.18/99,935.40
  6. Step 6: Final answer
    x = 65,688.68

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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.