Home / 211,490.08-291,864.48-116,000.80

Finding the Fourth Proportional to 211,490.08, 291,864.48 and 116,000.80

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Solution

The fourth proportional to 211,490.08, 291,864.48 and 116,000.80 is: 160,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,490.08 : 291,864.48 = 116,000.80 : x
  2. Step 2: Convert to fraction form
    211,490.08/291,864.48 = 116,000.80/x
  3. Step 3: Cross multiply
    211,490.08x = 291,864.48 × 116,000.80
  4. Step 4: Simplify right side
    211,490.08x = 33,856,513,171.58
  5. Step 5: Solve for x
    x = 33,856,513,171.58/211,490.08
  6. Step 6: Final answer
    x = 160,085.58

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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.