Home / 215,360.09-297,199.74-118,575.20

Finding the Fourth Proportional to 215,360.09, 297,199.74 and 118,575.20

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Solution

The fourth proportional to 215,360.09, 297,199.74 and 118,575.20 is: 163,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,360.09 : 297,199.74 = 118,575.20 : x
  2. Step 2: Convert to fraction form
    215,360.09/297,199.74 = 118,575.20/x
  3. Step 3: Cross multiply
    215,360.09x = 297,199.74 × 118,575.20
  4. Step 4: Simplify right side
    215,360.09x = 35,240,518,610.45
  5. Step 5: Solve for x
    x = 35,240,518,610.45/215,360.09
  6. Step 6: Final answer
    x = 163,635.33

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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.