Home / 211,853.10-317,677.05-123,132.18

Finding the Fourth Proportional to 211,853.10, 317,677.05 and 123,132.18

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Solution

The fourth proportional to 211,853.10, 317,677.05 and 123,132.18 is: 184,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,853.10 : 317,677.05 = 123,132.18 : x
  2. Step 2: Convert to fraction form
    211,853.10/317,677.05 = 123,132.18/x
  3. Step 3: Cross multiply
    211,853.10x = 317,677.05 × 123,132.18
  4. Step 4: Simplify right side
    211,853.10x = 39,116,267,702.47
  5. Step 5: Solve for x
    x = 39,116,267,702.47/211,853.10
  6. Step 6: Final answer
    x = 184,638.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.