Home / 125,267.22-172,868.40-68,678.64

Finding the Fourth Proportional to 125,267.22, 172,868.40 and 68,678.64

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Solution

The fourth proportional to 125,267.22, 172,868.40 and 68,678.64 is: 94,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,267.22 : 172,868.40 = 68,678.64 : x
  2. Step 2: Convert to fraction form
    125,267.22/172,868.40 = 68,678.64/x
  3. Step 3: Cross multiply
    125,267.22x = 172,868.40 × 68,678.64
  4. Step 4: Simplify right side
    125,267.22x = 11,872,366,610.98
  5. Step 5: Solve for x
    x = 11,872,366,610.98/125,267.22
  6. Step 6: Final answer
    x = 94,776.32

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1.5x scale

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.