Home / 90,218.02-124,498.88-49,929.34

Finding the Fourth Proportional to 90,218.02, 124,498.88 and 49,929.34

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Solution

The fourth proportional to 90,218.02, 124,498.88 and 49,929.34 is: 68,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,218.02 : 124,498.88 = 49,929.34 : x
  2. Step 2: Convert to fraction form
    90,218.02/124,498.88 = 49,929.34/x
  3. Step 3: Cross multiply
    90,218.02x = 124,498.88 × 49,929.34
  4. Step 4: Simplify right side
    90,218.02x = 6,216,146,909.14
  5. Step 5: Solve for x
    x = 6,216,146,909.14/90,218.02
  6. Step 6: Final answer
    x = 68,901.39

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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.