Home / 215,881.53-297,909.23-119,089.26

Finding the Fourth Proportional to 215,881.53, 297,909.23 and 119,089.26

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Solution

The fourth proportional to 215,881.53, 297,909.23 and 119,089.26 is: 164,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,881.53 : 297,909.23 = 119,089.26 : x
  2. Step 2: Convert to fraction form
    215,881.53/297,909.23 = 119,089.26/x
  3. Step 3: Cross multiply
    215,881.53x = 297,909.23 × 119,089.26
  4. Step 4: Simplify right side
    215,881.53x = 35,477,789,152.42
  5. Step 5: Solve for x
    x = 35,477,789,152.42/215,881.53
  6. Step 6: Final answer
    x = 164,339.16

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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.