Home / 169,749.36-254,617.56-57,438

Finding the Fourth Proportional to 169,749.36, 254,617.56 and 57,438

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Solution

The fourth proportional to 169,749.36, 254,617.56 and 57,438 is: 86,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,749.36 : 254,617.56 = 57,438 : x
  2. Step 2: Convert to fraction form
    169,749.36/254,617.56 = 57,438/x
  3. Step 3: Cross multiply
    169,749.36x = 254,617.56 × 57,438
  4. Step 4: Simplify right side
    169,749.36x = 14,624,723,411.28
  5. Step 5: Solve for x
    x = 14,624,723,411.28/169,749.36
  6. Step 6: Final answer
    x = 86,154.81

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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.