Home / 215,927.12-297,980.55-119,134.35

Finding the Fourth Proportional to 215,927.12, 297,980.55 and 119,134.35

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Solution

The fourth proportional to 215,927.12, 297,980.55 and 119,134.35 is: 164,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,927.12 : 297,980.55 = 119,134.35 : x
  2. Step 2: Convert to fraction form
    215,927.12/297,980.55 = 119,134.35/x
  3. Step 3: Cross multiply
    215,927.12x = 297,980.55 × 119,134.35
  4. Step 4: Simplify right side
    215,927.12x = 35,499,719,136.89
  5. Step 5: Solve for x
    x = 35,499,719,136.89/215,927.12
  6. Step 6: Final answer
    x = 164,406.02

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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.