Home / 105,200.90-157,802.69-35,080.19

Finding the Fourth Proportional to 105,200.90, 157,802.69 and 35,080.19

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Solution

The fourth proportional to 105,200.90, 157,802.69 and 35,080.19 is: 52,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,200.90 : 157,802.69 = 35,080.19 : x
  2. Step 2: Convert to fraction form
    105,200.90/157,802.69 = 35,080.19/x
  3. Step 3: Cross multiply
    105,200.90x = 157,802.69 × 35,080.19
  4. Step 4: Simplify right side
    105,200.90x = 5,535,747,646.40
  5. Step 5: Solve for x
    x = 5,535,747,646.40/105,200.90
  6. Step 6: Final answer
    x = 52,620.73

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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.