Home / 98,902-148,371.60-39,742.36

Finding the Fourth Proportional to 98,902, 148,371.60 and 39,742.36

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Solution

The fourth proportional to 98,902, 148,371.60 and 39,742.36 is: 59,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,902 : 148,371.60 = 39,742.36 : x
  2. Step 2: Convert to fraction form
    98,902/148,371.60 = 39,742.36/x
  3. Step 3: Cross multiply
    98,902x = 148,371.60 × 39,742.36
  4. Step 4: Simplify right side
    98,902x = 5,896,637,540.98
  5. Step 5: Solve for x
    x = 5,896,637,540.98/98,902
  6. Step 6: Final answer
    x = 59,621.01

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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.