Home / 112,734.70-155,599.40-70,285.02

Finding the Fourth Proportional to 112,734.70, 155,599.40 and 70,285.02

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Solution

The fourth proportional to 112,734.70, 155,599.40 and 70,285.02 is: 97,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,734.70 : 155,599.40 = 70,285.02 : x
  2. Step 2: Convert to fraction form
    112,734.70/155,599.40 = 70,285.02/x
  3. Step 3: Cross multiply
    112,734.70x = 155,599.40 × 70,285.02
  4. Step 4: Simplify right side
    112,734.70x = 10,936,306,940.99
  5. Step 5: Solve for x
    x = 10,936,306,940.99/112,734.70
  6. Step 6: Final answer
    x = 97,009.23

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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.