Home / 169,880.16-234,242.01-108,545.31

Finding the Fourth Proportional to 169,880.16, 234,242.01 and 108,545.31

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Solution

The fourth proportional to 169,880.16, 234,242.01 and 108,545.31 is: 149,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,880.16 : 234,242.01 = 108,545.31 : x
  2. Step 2: Convert to fraction form
    169,880.16/234,242.01 = 108,545.31/x
  3. Step 3: Cross multiply
    169,880.16x = 234,242.01 × 108,545.31
  4. Step 4: Simplify right side
    169,880.16x = 25,425,871,590.47
  5. Step 5: Solve for x
    x = 25,425,871,590.47/169,880.16
  6. Step 6: Final answer
    x = 149,669.46

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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.