Home / 118,971.12-164,094.12-101,037.72

Finding the Fourth Proportional to 118,971.12, 164,094.12 and 101,037.72

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Solution

The fourth proportional to 118,971.12, 164,094.12 and 101,037.72 is: 139,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,971.12 : 164,094.12 = 101,037.72 : x
  2. Step 2: Convert to fraction form
    118,971.12/164,094.12 = 101,037.72/x
  3. Step 3: Cross multiply
    118,971.12x = 164,094.12 × 101,037.72
  4. Step 4: Simplify right side
    118,971.12x = 16,579,695,750.21
  5. Step 5: Solve for x
    x = 16,579,695,750.21/118,971.12
  6. Step 6: Final answer
    x = 139,359.00

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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.