Home / 147,999.63-221,974.73-53,210.51

Finding the Fourth Proportional to 147,999.63, 221,974.73 and 53,210.51

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Solution

The fourth proportional to 147,999.63, 221,974.73 and 53,210.51 is: 79,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.63 : 221,974.73 = 53,210.51 : x
  2. Step 2: Convert to fraction form
    147,999.63/221,974.73 = 53,210.51/x
  3. Step 3: Cross multiply
    147,999.63x = 221,974.73 × 53,210.51
  4. Step 4: Simplify right side
    147,999.63x = 11,811,387,214.49
  5. Step 5: Solve for x
    x = 11,811,387,214.49/147,999.63
  6. Step 6: Final answer
    x = 79,806.87

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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.