Home / 165,009.69-247,618.65-70,239.72

Finding the Fourth Proportional to 165,009.69, 247,618.65 and 70,239.72

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Solution

The fourth proportional to 165,009.69, 247,618.65 and 70,239.72 is: 105,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,009.69 : 247,618.65 = 70,239.72 : x
  2. Step 2: Convert to fraction form
    165,009.69/247,618.65 = 70,239.72/x
  3. Step 3: Cross multiply
    165,009.69x = 247,618.65 × 70,239.72
  4. Step 4: Simplify right side
    165,009.69x = 17,392,664,642.78
  5. Step 5: Solve for x
    x = 17,392,664,642.78/165,009.69
  6. Step 6: Final answer
    x = 105,403.90

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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.