Home / 99,476.36-149,026.74-77,025.58

Finding the Fourth Proportional to 99,476.36, 149,026.74 and 77,025.58

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Solution

The fourth proportional to 99,476.36, 149,026.74 and 77,025.58 is: 115,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,476.36 : 149,026.74 = 77,025.58 : x
  2. Step 2: Convert to fraction form
    99,476.36/149,026.74 = 77,025.58/x
  3. Step 3: Cross multiply
    99,476.36x = 149,026.74 × 77,025.58
  4. Step 4: Simplify right side
    99,476.36x = 11,478,871,084.01
  5. Step 5: Solve for x
    x = 11,478,871,084.01/99,476.36
  6. Step 6: Final answer
    x = 115,392.95

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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.