Home / 215,461.35-297,388.98-124,802.64

Finding the Fourth Proportional to 215,461.35, 297,388.98 and 124,802.64

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Solution

The fourth proportional to 215,461.35, 297,388.98 and 124,802.64 is: 172,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,461.35 : 297,388.98 = 124,802.64 : x
  2. Step 2: Convert to fraction form
    215,461.35/297,388.98 = 124,802.64/x
  3. Step 3: Cross multiply
    215,461.35x = 297,388.98 × 124,802.64
  4. Step 4: Simplify right side
    215,461.35x = 37,114,929,810.91
  5. Step 5: Solve for x
    x = 37,114,929,810.91/215,461.35
  6. Step 6: Final answer
    x = 172,257.95

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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.