Home / 160,669.06-221,708.18-89,047.55

Finding the Fourth Proportional to 160,669.06, 221,708.18 and 89,047.55

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Solution

The fourth proportional to 160,669.06, 221,708.18 and 89,047.55 is: 122,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,669.06 : 221,708.18 = 89,047.55 : x
  2. Step 2: Convert to fraction form
    160,669.06/221,708.18 = 89,047.55/x
  3. Step 3: Cross multiply
    160,669.06x = 221,708.18 × 89,047.55
  4. Step 4: Simplify right side
    160,669.06x = 19,742,571,020.85
  5. Step 5: Solve for x
    x = 19,742,571,020.85/160,669.06
  6. Step 6: Final answer
    x = 122,877.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.