Home / 112,283.40-168,340.86-67,901.07

Finding the Fourth Proportional to 112,283.40, 168,340.86 and 67,901.07

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Solution

The fourth proportional to 112,283.40, 168,340.86 and 67,901.07 is: 101,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.40 : 168,340.86 = 67,901.07 : x
  2. Step 2: Convert to fraction form
    112,283.40/168,340.86 = 67,901.07/x
  3. Step 3: Cross multiply
    112,283.40x = 168,340.86 × 67,901.07
  4. Step 4: Simplify right side
    112,283.40x = 11,430,524,518.72
  5. Step 5: Solve for x
    x = 11,430,524,518.72/112,283.40
  6. Step 6: Final answer
    x = 101,800.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.