Home / 162,128.03-243,561.09-117,287.70

Finding the Fourth Proportional to 162,128.03, 243,561.09 and 117,287.70

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Solution

The fourth proportional to 162,128.03, 243,561.09 and 117,287.70 is: 176,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,128.03 : 243,561.09 = 117,287.70 : x
  2. Step 2: Convert to fraction form
    162,128.03/243,561.09 = 117,287.70/x
  3. Step 3: Cross multiply
    162,128.03x = 243,561.09 × 117,287.70
  4. Step 4: Simplify right side
    162,128.03x = 28,566,719,582.07
  5. Step 5: Solve for x
    x = 28,566,719,582.07/162,128.03
  6. Step 6: Final answer
    x = 176,198.52

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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.