Home / 149,238.45-205,938.67-84,709.02

Finding the Fourth Proportional to 149,238.45, 205,938.67 and 84,709.02

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Solution

The fourth proportional to 149,238.45, 205,938.67 and 84,709.02 is: 116,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,238.45 : 205,938.67 = 84,709.02 : x
  2. Step 2: Convert to fraction form
    149,238.45/205,938.67 = 84,709.02/x
  3. Step 3: Cross multiply
    149,238.45x = 205,938.67 × 84,709.02
  4. Step 4: Simplify right side
    149,238.45x = 17,444,862,492.26
  5. Step 5: Solve for x
    x = 17,444,862,492.26/149,238.45
  6. Step 6: Final answer
    x = 116,892.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.