Home / 155,673.24-214,829.46-90,274.74

Finding the Fourth Proportional to 155,673.24, 214,829.46 and 90,274.74

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Solution

The fourth proportional to 155,673.24, 214,829.46 and 90,274.74 is: 124,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,673.24 : 214,829.46 = 90,274.74 : x
  2. Step 2: Convert to fraction form
    155,673.24/214,829.46 = 90,274.74/x
  3. Step 3: Cross multiply
    155,673.24x = 214,829.46 × 90,274.74
  4. Step 4: Simplify right side
    155,673.24x = 19,393,673,645.84
  5. Step 5: Solve for x
    x = 19,393,673,645.84/155,673.24
  6. Step 6: Final answer
    x = 124,579.37

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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.