Home / 147,588.96-221,448.48-77,451.36

Finding the Fourth Proportional to 147,588.96, 221,448.48 and 77,451.36

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Solution

The fourth proportional to 147,588.96, 221,448.48 and 77,451.36 is: 116,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.96 : 221,448.48 = 77,451.36 : x
  2. Step 2: Convert to fraction form
    147,588.96/221,448.48 = 77,451.36/x
  3. Step 3: Cross multiply
    147,588.96x = 221,448.48 × 77,451.36
  4. Step 4: Simplify right side
    147,588.96x = 17,151,485,945.93
  5. Step 5: Solve for x
    x = 17,151,485,945.93/147,588.96
  6. Step 6: Final answer
    x = 116,211.17

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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.