Home / 112,682.37-155,495.50-61,685.23

Finding the Fourth Proportional to 112,682.37, 155,495.50 and 61,685.23

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Solution

The fourth proportional to 112,682.37, 155,495.50 and 61,685.23 is: 85,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,682.37 : 155,495.50 = 61,685.23 : x
  2. Step 2: Convert to fraction form
    112,682.37/155,495.50 = 61,685.23/x
  3. Step 3: Cross multiply
    112,682.37x = 155,495.50 × 61,685.23
  4. Step 4: Simplify right side
    112,682.37x = 9,591,775,681.47
  5. Step 5: Solve for x
    x = 9,591,775,681.47/112,682.37
  6. Step 6: Final answer
    x = 85,122.24

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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.