Home / 172,069.30-237,389.37-126,854.77

Finding the Fourth Proportional to 172,069.30, 237,389.37 and 126,854.77

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Solution

The fourth proportional to 172,069.30, 237,389.37 and 126,854.77 is: 175,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,069.30 : 237,389.37 = 126,854.77 : x
  2. Step 2: Convert to fraction form
    172,069.30/237,389.37 = 126,854.77/x
  3. Step 3: Cross multiply
    172,069.30x = 237,389.37 × 126,854.77
  4. Step 4: Simplify right side
    172,069.30x = 30,113,973,931.79
  5. Step 5: Solve for x
    x = 30,113,973,931.79/172,069.30
  6. Step 6: Final answer
    x = 175,010.73

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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.