Home / 112,686.93-155,462.39-67,339.03

Finding the Fourth Proportional to 112,686.93, 155,462.39 and 67,339.03

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Solution

The fourth proportional to 112,686.93, 155,462.39 and 67,339.03 is: 92,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,686.93 : 155,462.39 = 67,339.03 : x
  2. Step 2: Convert to fraction form
    112,686.93/155,462.39 = 67,339.03/x
  3. Step 3: Cross multiply
    112,686.93x = 155,462.39 × 67,339.03
  4. Step 4: Simplify right side
    112,686.93x = 10,468,686,362.74
  5. Step 5: Solve for x
    x = 10,468,686,362.74/112,686.93
  6. Step 6: Final answer
    x = 92,900.63

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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.