Home / 100,707.84-151,070.40-48,159.36

Finding the Fourth Proportional to 100,707.84, 151,070.40 and 48,159.36

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Solution

The fourth proportional to 100,707.84, 151,070.40 and 48,159.36 is: 72,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,707.84 : 151,070.40 = 48,159.36 : x
  2. Step 2: Convert to fraction form
    100,707.84/151,070.40 = 48,159.36/x
  3. Step 3: Cross multiply
    100,707.84x = 151,070.40 × 48,159.36
  4. Step 4: Simplify right side
    100,707.84x = 7,275,453,778.94
  5. Step 5: Solve for x
    x = 7,275,453,778.94/100,707.84
  6. Step 6: Final answer
    x = 72,243.17

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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.