Home / 156,939.10-235,408.65-144,036.70

Finding the Fourth Proportional to 156,939.10, 235,408.65 and 144,036.70

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Solution

The fourth proportional to 156,939.10, 235,408.65 and 144,036.70 is: 216,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.10 : 235,408.65 = 144,036.70 : x
  2. Step 2: Convert to fraction form
    156,939.10/235,408.65 = 144,036.70/x
  3. Step 3: Cross multiply
    156,939.10x = 235,408.65 × 144,036.70
  4. Step 4: Simplify right side
    156,939.10x = 33,907,485,097.46
  5. Step 5: Solve for x
    x = 33,907,485,097.46/156,939.10
  6. Step 6: Final answer
    x = 216,055.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.