Home / 191,921.78-264,852-107,037.02

Finding the Fourth Proportional to 191,921.78, 264,852 and 107,037.02

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Solution

The fourth proportional to 191,921.78, 264,852 and 107,037.02 is: 147,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,921.78 : 264,852 = 107,037.02 : x
  2. Step 2: Convert to fraction form
    191,921.78/264,852 = 107,037.02/x
  3. Step 3: Cross multiply
    191,921.78x = 264,852 × 107,037.02
  4. Step 4: Simplify right side
    191,921.78x = 28,348,968,821.04
  5. Step 5: Solve for x
    x = 28,348,968,821.04/191,921.78
  6. Step 6: Final answer
    x = 147,711.06

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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.