Home / 105,471.36-157,957.56-91,545.03

Finding the Fourth Proportional to 105,471.36, 157,957.56 and 91,545.03

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Solution

The fourth proportional to 105,471.36, 157,957.56 and 91,545.03 is: 137,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,471.36 : 157,957.56 = 91,545.03 : x
  2. Step 2: Convert to fraction form
    105,471.36/157,957.56 = 91,545.03/x
  3. Step 3: Cross multiply
    105,471.36x = 157,957.56 × 91,545.03
  4. Step 4: Simplify right side
    105,471.36x = 14,460,229,568.93
  5. Step 5: Solve for x
    x = 14,460,229,568.93/105,471.36
  6. Step 6: Final answer
    x = 137,101.01

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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.