Home / 215,650.35-297,611.01-118,854.18

Finding the Fourth Proportional to 215,650.35, 297,611.01 and 118,854.18

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Solution

The fourth proportional to 215,650.35, 297,611.01 and 118,854.18 is: 164,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,650.35 : 297,611.01 = 118,854.18 : x
  2. Step 2: Convert to fraction form
    215,650.35/297,611.01 = 118,854.18/x
  3. Step 3: Cross multiply
    215,650.35x = 297,611.01 × 118,854.18
  4. Step 4: Simplify right side
    215,650.35x = 35,372,312,552.52
  5. Step 5: Solve for x
    x = 35,372,312,552.52/215,650.35
  6. Step 6: Final answer
    x = 164,026.22

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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.