Home / 115,141.19-172,461.81-55,852.25

Finding the Fourth Proportional to 115,141.19, 172,461.81 and 55,852.25

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Solution

The fourth proportional to 115,141.19, 172,461.81 and 55,852.25 is: 83,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,141.19 : 172,461.81 = 55,852.25 : x
  2. Step 2: Convert to fraction form
    115,141.19/172,461.81 = 55,852.25/x
  3. Step 3: Cross multiply
    115,141.19x = 172,461.81 × 55,852.25
  4. Step 4: Simplify right side
    115,141.19x = 9,632,380,127.57
  5. Step 5: Solve for x
    x = 9,632,380,127.57/115,141.19
  6. Step 6: Final answer
    x = 83,657.12

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1.5x scale

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.