Home / 211,144.59-291,269.12-130,546.35

Finding the Fourth Proportional to 211,144.59, 291,269.12 and 130,546.35

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Solution

The fourth proportional to 211,144.59, 291,269.12 and 130,546.35 is: 180,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,144.59 : 291,269.12 = 130,546.35 : x
  2. Step 2: Convert to fraction form
    211,144.59/291,269.12 = 130,546.35/x
  3. Step 3: Cross multiply
    211,144.59x = 291,269.12 × 130,546.35
  4. Step 4: Simplify right side
    211,144.59x = 38,024,119,830.98
  5. Step 5: Solve for x
    x = 38,024,119,830.98/211,144.59
  6. Step 6: Final answer
    x = 180,085.69

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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.