Home / 147,283.01-220,718.58-79,669.07

Finding the Fourth Proportional to 147,283.01, 220,718.58 and 79,669.07

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Solution

The fourth proportional to 147,283.01, 220,718.58 and 79,669.07 is: 119,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,283.01 : 220,718.58 = 79,669.07 : x
  2. Step 2: Convert to fraction form
    147,283.01/220,718.58 = 79,669.07/x
  3. Step 3: Cross multiply
    147,283.01x = 220,718.58 × 79,669.07
  4. Step 4: Simplify right side
    147,283.01x = 17,584,444,000.32
  5. Step 5: Solve for x
    x = 17,584,444,000.32/147,283.01
  6. Step 6: Final answer
    x = 119,392.21

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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.