Home / 165,009.70-247,514.55-155,332.90

Finding the Fourth Proportional to 165,009.70, 247,514.55 and 155,332.90

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Solution

The fourth proportional to 165,009.70, 247,514.55 and 155,332.90 is: 232,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,009.70 : 247,514.55 = 155,332.90 : x
  2. Step 2: Convert to fraction form
    165,009.70/247,514.55 = 155,332.90/x
  3. Step 3: Cross multiply
    165,009.70x = 247,514.55 × 155,332.90
  4. Step 4: Simplify right side
    165,009.70x = 38,447,152,843.70
  5. Step 5: Solve for x
    x = 38,447,152,843.70/165,009.70
  6. Step 6: Final answer
    x = 232,999.35

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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.