Home / 124,970.06-187,361.40-40,679.84

Finding the Fourth Proportional to 124,970.06, 187,361.40 and 40,679.84

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Solution

The fourth proportional to 124,970.06, 187,361.40 and 40,679.84 is: 60,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,970.06 : 187,361.40 = 40,679.84 : x
  2. Step 2: Convert to fraction form
    124,970.06/187,361.40 = 40,679.84/x
  3. Step 3: Cross multiply
    124,970.06x = 187,361.40 × 40,679.84
  4. Step 4: Simplify right side
    124,970.06x = 7,621,831,774.18
  5. Step 5: Solve for x
    x = 7,621,831,774.18/124,970.06
  6. Step 6: Final answer
    x = 60,989.26

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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.