Home / 154,745.10-232,117.65-115,379.10

Finding the Fourth Proportional to 154,745.10, 232,117.65 and 115,379.10

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Solution

The fourth proportional to 154,745.10, 232,117.65 and 115,379.10 is: 173,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,745.10 : 232,117.65 = 115,379.10 : x
  2. Step 2: Convert to fraction form
    154,745.10/232,117.65 = 115,379.10/x
  3. Step 3: Cross multiply
    154,745.10x = 232,117.65 × 115,379.10
  4. Step 4: Simplify right side
    154,745.10x = 26,781,525,551.12
  5. Step 5: Solve for x
    x = 26,781,525,551.12/154,745.10
  6. Step 6: Final answer
    x = 173,068.65

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1.5x scale

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.