Home / 172,103.09-237,527.93-135,721.13

Finding the Fourth Proportional to 172,103.09, 237,527.93 and 135,721.13

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Solution

The fourth proportional to 172,103.09, 237,527.93 and 135,721.13 is: 187,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,103.09 : 237,527.93 = 135,721.13 : x
  2. Step 2: Convert to fraction form
    172,103.09/237,527.93 = 135,721.13/x
  3. Step 3: Cross multiply
    172,103.09x = 237,527.93 × 135,721.13
  4. Step 4: Simplify right side
    172,103.09x = 32,237,558,387.56
  5. Step 5: Solve for x
    x = 32,237,558,387.56/172,103.09
  6. Step 6: Final answer
    x = 187,315.40

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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.