Home / 136,707.81-205,166.38-61,880.50

Finding the Fourth Proportional to 136,707.81, 205,166.38 and 61,880.50

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Solution

The fourth proportional to 136,707.81, 205,166.38 and 61,880.50 is: 92,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,707.81 : 205,166.38 = 61,880.50 : x
  2. Step 2: Convert to fraction form
    136,707.81/205,166.38 = 61,880.50/x
  3. Step 3: Cross multiply
    136,707.81x = 205,166.38 × 61,880.50
  4. Step 4: Simplify right side
    136,707.81x = 12,695,798,177.59
  5. Step 5: Solve for x
    x = 12,695,798,177.59/136,707.81
  6. Step 6: Final answer
    x = 92,868.13

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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.