Home / 149,132.90-205,806.93-84,606.50

Finding the Fourth Proportional to 149,132.90, 205,806.93 and 84,606.50

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Solution

The fourth proportional to 149,132.90, 205,806.93 and 84,606.50 is: 116,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,132.90 : 205,806.93 = 84,606.50 : x
  2. Step 2: Convert to fraction form
    149,132.90/205,806.93 = 84,606.50/x
  3. Step 3: Cross multiply
    149,132.90x = 205,806.93 × 84,606.50
  4. Step 4: Simplify right side
    149,132.90x = 17,412,602,570.98
  5. Step 5: Solve for x
    x = 17,412,602,570.98/149,132.90
  6. Step 6: Final answer
    x = 116,758.96

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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.