Home / 112,775.50-155,630.19-67,455.39

Finding the Fourth Proportional to 112,775.50, 155,630.19 and 67,455.39

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Solution

The fourth proportional to 112,775.50, 155,630.19 and 67,455.39 is: 93,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,775.50 : 155,630.19 = 67,455.39 : x
  2. Step 2: Convert to fraction form
    112,775.50/155,630.19 = 67,455.39/x
  3. Step 3: Cross multiply
    112,775.50x = 155,630.19 × 67,455.39
  4. Step 4: Simplify right side
    112,775.50x = 10,498,095,162.22
  5. Step 5: Solve for x
    x = 10,498,095,162.22/112,775.50
  6. Step 6: Final answer
    x = 93,088.44

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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.