Home / 211,632.48-292,052-116,140.80

Finding the Fourth Proportional to 211,632.48, 292,052 and 116,140.80

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Solution

The fourth proportional to 211,632.48, 292,052 and 116,140.80 is: 160,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,632.48 : 292,052 = 116,140.80 : x
  2. Step 2: Convert to fraction form
    211,632.48/292,052 = 116,140.80/x
  3. Step 3: Cross multiply
    211,632.48x = 292,052 × 116,140.80
  4. Step 4: Simplify right side
    211,632.48x = 33,919,152,921.60
  5. Step 5: Solve for x
    x = 33,919,152,921.60/211,632.48
  6. Step 6: Final answer
    x = 160,273.85

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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.