Home / 215,532.10-297,443.49-120,038.80

Finding the Fourth Proportional to 215,532.10, 297,443.49 and 120,038.80

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Solution

The fourth proportional to 215,532.10, 297,443.49 and 120,038.80 is: 165,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,532.10 : 297,443.49 = 120,038.80 : x
  2. Step 2: Convert to fraction form
    215,532.10/297,443.49 = 120,038.80/x
  3. Step 3: Cross multiply
    215,532.10x = 297,443.49 × 120,038.80
  4. Step 4: Simplify right side
    215,532.10x = 35,704,759,607.41
  5. Step 5: Solve for x
    x = 35,704,759,607.41/215,532.10
  6. Step 6: Final answer
    x = 165,658.66

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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.