Home / 138,466.40-207,551.28-98,903.52

Finding the Fourth Proportional to 138,466.40, 207,551.28 and 98,903.52

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Solution

The fourth proportional to 138,466.40, 207,551.28 and 98,903.52 is: 148,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,466.40 : 207,551.28 = 98,903.52 : x
  2. Step 2: Convert to fraction form
    138,466.40/207,551.28 = 98,903.52/x
  3. Step 3: Cross multiply
    138,466.40x = 207,551.28 × 98,903.52
  4. Step 4: Simplify right side
    138,466.40x = 20,527,552,172.51
  5. Step 5: Solve for x
    x = 20,527,552,172.51/138,466.40
  6. Step 6: Final answer
    x = 148,249.34

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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.