Home / 215,282.81-297,090.28-119,795.66

Finding the Fourth Proportional to 215,282.81, 297,090.28 and 119,795.66

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Solution

The fourth proportional to 215,282.81, 297,090.28 and 119,795.66 is: 165,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,282.81 : 297,090.28 = 119,795.66 : x
  2. Step 2: Convert to fraction form
    215,282.81/297,090.28 = 119,795.66/x
  3. Step 3: Cross multiply
    215,282.81x = 297,090.28 × 119,795.66
  4. Step 4: Simplify right side
    215,282.81x = 35,590,125,950.57
  5. Step 5: Solve for x
    x = 35,590,125,950.57/215,282.81
  6. Step 6: Final answer
    x = 165,318.01

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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.