Home / 140,887.02-194,429.07-77,224.80

Finding the Fourth Proportional to 140,887.02, 194,429.07 and 77,224.80

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Solution

The fourth proportional to 140,887.02, 194,429.07 and 77,224.80 is: 106,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,887.02 : 194,429.07 = 77,224.80 : x
  2. Step 2: Convert to fraction form
    140,887.02/194,429.07 = 77,224.80/x
  3. Step 3: Cross multiply
    140,887.02x = 194,429.07 × 77,224.80
  4. Step 4: Simplify right side
    140,887.02x = 15,014,746,044.94
  5. Step 5: Solve for x
    x = 15,014,746,044.94/140,887.02
  6. Step 6: Final answer
    x = 106,572.96

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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.