Home / 172,089.43-237,417.08-126,874.89

Finding the Fourth Proportional to 172,089.43, 237,417.08 and 126,874.89

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Solution

The fourth proportional to 172,089.43, 237,417.08 and 126,874.89 is: 175,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,089.43 : 237,417.08 = 126,874.89 : x
  2. Step 2: Convert to fraction form
    172,089.43/237,417.08 = 126,874.89/x
  3. Step 3: Cross multiply
    172,089.43x = 237,417.08 × 126,874.89
  4. Step 4: Simplify right side
    172,089.43x = 30,122,265,274.75
  5. Step 5: Solve for x
    x = 30,122,265,274.75/172,089.43
  6. Step 6: Final answer
    x = 175,038.44

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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.