Home / 112,627.96-155,382.37-72,336.13

Finding the Fourth Proportional to 112,627.96, 155,382.37 and 72,336.13

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Solution

The fourth proportional to 112,627.96, 155,382.37 and 72,336.13 is: 99,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627.96 : 155,382.37 = 72,336.13 : x
  2. Step 2: Convert to fraction form
    112,627.96/155,382.37 = 72,336.13/x
  3. Step 3: Cross multiply
    112,627.96x = 155,382.37 × 72,336.13
  4. Step 4: Simplify right side
    112,627.96x = 11,239,759,316.03
  5. Step 5: Solve for x
    x = 11,239,759,316.03/112,627.96
  6. Step 6: Final answer
    x = 99,795.46

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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.