Home / 112,323.42-155,006.64-61,336.62

Finding the Fourth Proportional to 112,323.42, 155,006.64 and 61,336.62

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Solution

The fourth proportional to 112,323.42, 155,006.64 and 61,336.62 is: 84,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,323.42 : 155,006.64 = 61,336.62 : x
  2. Step 2: Convert to fraction form
    112,323.42/155,006.64 = 61,336.62/x
  3. Step 3: Cross multiply
    112,323.42x = 155,006.64 × 61,336.62
  4. Step 4: Simplify right side
    112,323.42x = 9,507,583,375.16
  5. Step 5: Solve for x
    x = 9,507,583,375.16/112,323.42
  6. Step 6: Final answer
    x = 84,644.71

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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.