Home / 116,990.46-161,446.86-66,014.01

Finding the Fourth Proportional to 116,990.46, 161,446.86 and 66,014.01

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Solution

The fourth proportional to 116,990.46, 161,446.86 and 66,014.01 is: 91,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,990.46 : 161,446.86 = 66,014.01 : x
  2. Step 2: Convert to fraction form
    116,990.46/161,446.86 = 66,014.01/x
  3. Step 3: Cross multiply
    116,990.46x = 161,446.86 × 66,014.01
  4. Step 4: Simplify right side
    116,990.46x = 10,657,754,630.51
  5. Step 5: Solve for x
    x = 10,657,754,630.51/116,990.46
  6. Step 6: Final answer
    x = 91,099.35

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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.