Home / 126,472.48-174,556.16-83,376.32

Finding the Fourth Proportional to 126,472.48, 174,556.16 and 83,376.32

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Solution

The fourth proportional to 126,472.48, 174,556.16 and 83,376.32 is: 115,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,472.48 : 174,556.16 = 83,376.32 : x
  2. Step 2: Convert to fraction form
    126,472.48/174,556.16 = 83,376.32/x
  3. Step 3: Cross multiply
    126,472.48x = 174,556.16 × 83,376.32
  4. Step 4: Simplify right side
    126,472.48x = 14,553,850,254.13
  5. Step 5: Solve for x
    x = 14,553,850,254.13/126,472.48
  6. Step 6: Final answer
    x = 115,075.23

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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.