Home / 112,532.63-155,153.88-72,175.19

Finding the Fourth Proportional to 112,532.63, 155,153.88 and 72,175.19

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Solution

The fourth proportional to 112,532.63, 155,153.88 and 72,175.19 is: 99,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,532.63 : 155,153.88 = 72,175.19 : x
  2. Step 2: Convert to fraction form
    112,532.63/155,153.88 = 72,175.19/x
  3. Step 3: Cross multiply
    112,532.63x = 155,153.88 × 72,175.19
  4. Step 4: Simplify right side
    112,532.63x = 11,198,260,768.24
  5. Step 5: Solve for x
    x = 11,198,260,768.24/112,532.63
  6. Step 6: Final answer
    x = 99,511.23

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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.