Home / 201,983.02-301,738.57-145,339.72

Finding the Fourth Proportional to 201,983.02, 301,738.57 and 145,339.72

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Solution

The fourth proportional to 201,983.02, 301,738.57 and 145,339.72 is: 217,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,983.02 : 301,738.57 = 145,339.72 : x
  2. Step 2: Convert to fraction form
    201,983.02/301,738.57 = 145,339.72/x
  3. Step 3: Cross multiply
    201,983.02x = 301,738.57 × 145,339.72
  4. Step 4: Simplify right side
    201,983.02x = 43,854,598,159.30
  5. Step 5: Solve for x
    x = 43,854,598,159.30/201,983.02
  6. Step 6: Final answer
    x = 217,120.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.