Home / 112,733.13-155,496.81-72,497.76

Finding the Fourth Proportional to 112,733.13, 155,496.81 and 72,497.76

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Solution

The fourth proportional to 112,733.13, 155,496.81 and 72,497.76 is: 99,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,733.13 : 155,496.81 = 72,497.76 : x
  2. Step 2: Convert to fraction form
    112,733.13/155,496.81 = 72,497.76/x
  3. Step 3: Cross multiply
    112,733.13x = 155,496.81 × 72,497.76
  4. Step 4: Simplify right side
    112,733.13x = 11,273,170,412.15
  5. Step 5: Solve for x
    x = 11,273,170,412.15/112,733.13
  6. Step 6: Final answer
    x = 99,998.74

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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.