Home / 160,664.60-221,711.46-89,051.28

Finding the Fourth Proportional to 160,664.60, 221,711.46 and 89,051.28

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Solution

The fourth proportional to 160,664.60, 221,711.46 and 89,051.28 is: 122,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,664.60 : 221,711.46 = 89,051.28 : x
  2. Step 2: Convert to fraction form
    160,664.60/221,711.46 = 89,051.28/x
  3. Step 3: Cross multiply
    160,664.60x = 221,711.46 × 89,051.28
  4. Step 4: Simplify right side
    160,664.60x = 19,743,689,303.67
  5. Step 5: Solve for x
    x = 19,743,689,303.67/160,664.60
  6. Step 6: Final answer
    x = 122,887.61

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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.