Home / 215,675.76-297,633.74-125,085.45

Finding the Fourth Proportional to 215,675.76, 297,633.74 and 125,085.45

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Solution

The fourth proportional to 215,675.76, 297,633.74 and 125,085.45 is: 172,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,675.76 : 297,633.74 = 125,085.45 : x
  2. Step 2: Convert to fraction form
    215,675.76/297,633.74 = 125,085.45/x
  3. Step 3: Cross multiply
    215,675.76x = 297,633.74 × 125,085.45
  4. Step 4: Simplify right side
    215,675.76x = 37,229,650,303.08
  5. Step 5: Solve for x
    x = 37,229,650,303.08/215,675.76
  6. Step 6: Final answer
    x = 172,618.61

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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.