Home / 105,303.90-157,867-49,114.41

Finding the Fourth Proportional to 105,303.90, 157,867 and 49,114.41

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Solution

The fourth proportional to 105,303.90, 157,867 and 49,114.41 is: 73,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,303.90 : 157,867 = 49,114.41 : x
  2. Step 2: Convert to fraction form
    105,303.90/157,867 = 49,114.41/x
  3. Step 3: Cross multiply
    105,303.90x = 157,867 × 49,114.41
  4. Step 4: Simplify right side
    105,303.90x = 7,753,544,563.47
  5. Step 5: Solve for x
    x = 7,753,544,563.47/105,303.90
  6. Step 6: Final answer
    x = 73,630.17

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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.