Home / 112,309.57-154,968.93-66,362.83

Finding the Fourth Proportional to 112,309.57, 154,968.93 and 66,362.83

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Solution

The fourth proportional to 112,309.57, 154,968.93 and 66,362.83 is: 91,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309.57 : 154,968.93 = 66,362.83 : x
  2. Step 2: Convert to fraction form
    112,309.57/154,968.93 = 66,362.83/x
  3. Step 3: Cross multiply
    112,309.57x = 154,968.93 × 66,362.83
  4. Step 4: Simplify right side
    112,309.57x = 10,284,176,756.87
  5. Step 5: Solve for x
    x = 10,284,176,756.87/112,309.57
  6. Step 6: Final answer
    x = 91,569.91

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1.5x scale

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.