Home / 211,875.80-292,266.46-126,943.65

Finding the Fourth Proportional to 211,875.80, 292,266.46 and 126,943.65

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Solution

The fourth proportional to 211,875.80, 292,266.46 and 126,943.65 is: 175,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,875.80 : 292,266.46 = 126,943.65 : x
  2. Step 2: Convert to fraction form
    211,875.80/292,266.46 = 126,943.65/x
  3. Step 3: Cross multiply
    211,875.80x = 292,266.46 × 126,943.65
  4. Step 4: Simplify right side
    211,875.80x = 37,101,371,363.66
  5. Step 5: Solve for x
    x = 37,101,371,363.66/211,875.80
  6. Step 6: Final answer
    x = 175,109.06

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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.