Home / 160,541.70-221,551.14-91,629.79

Finding the Fourth Proportional to 160,541.70, 221,551.14 and 91,629.79

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Solution

The fourth proportional to 160,541.70, 221,551.14 and 91,629.79 is: 126,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,541.70 : 221,551.14 = 91,629.79 : x
  2. Step 2: Convert to fraction form
    160,541.70/221,551.14 = 91,629.79/x
  3. Step 3: Cross multiply
    160,541.70x = 221,551.14 × 91,629.79
  4. Step 4: Simplify right side
    160,541.70x = 20,300,683,950.38
  5. Step 5: Solve for x
    x = 20,300,683,950.38/160,541.70
  6. Step 6: Final answer
    x = 126,451.16

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1.5x scale

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.