Home / 165,015.62-247,259.76-105,802.19

Finding the Fourth Proportional to 165,015.62, 247,259.76 and 105,802.19

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Solution

The fourth proportional to 165,015.62, 247,259.76 and 105,802.19 is: 158,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,015.62 : 247,259.76 = 105,802.19 : x
  2. Step 2: Convert to fraction form
    165,015.62/247,259.76 = 105,802.19/x
  3. Step 3: Cross multiply
    165,015.62x = 247,259.76 × 105,802.19
  4. Step 4: Simplify right side
    165,015.62x = 26,160,622,870.58
  5. Step 5: Solve for x
    x = 26,160,622,870.58/165,015.62
  6. Step 6: Final answer
    x = 158,534.23

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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.