Home / 172,090.97-237,402.75-111,680.56

Finding the Fourth Proportional to 172,090.97, 237,402.75 and 111,680.56

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Solution

The fourth proportional to 172,090.97, 237,402.75 and 111,680.56 is: 154,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,090.97 : 237,402.75 = 111,680.56 : x
  2. Step 2: Convert to fraction form
    172,090.97/237,402.75 = 111,680.56/x
  3. Step 3: Cross multiply
    172,090.97x = 237,402.75 × 111,680.56
  4. Step 4: Simplify right side
    172,090.97x = 26,513,271,890.84
  5. Step 5: Solve for x
    x = 26,513,271,890.84/172,090.97
  6. Step 6: Final answer
    x = 154,065.45

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1.5x scale

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.