Home / 215,311.18-297,127.29-119,816.23

Finding the Fourth Proportional to 215,311.18, 297,127.29 and 119,816.23

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Solution

The fourth proportional to 215,311.18, 297,127.29 and 119,816.23 is: 165,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,311.18 : 297,127.29 = 119,816.23 : x
  2. Step 2: Convert to fraction form
    215,311.18/297,127.29 = 119,816.23/x
  3. Step 3: Cross multiply
    215,311.18x = 297,127.29 × 119,816.23
  4. Step 4: Simplify right side
    215,311.18x = 35,600,671,717.92
  5. Step 5: Solve for x
    x = 35,600,671,717.92/215,311.18
  6. Step 6: Final answer
    x = 165,345.21

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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.