Home / 112,886.20-169,329.30-101,999.80

Finding the Fourth Proportional to 112,886.20, 169,329.30 and 101,999.80

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Solution

The fourth proportional to 112,886.20, 169,329.30 and 101,999.80 is: 152,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.20 : 169,329.30 = 101,999.80 : x
  2. Step 2: Convert to fraction form
    112,886.20/169,329.30 = 101,999.80/x
  3. Step 3: Cross multiply
    112,886.20x = 169,329.30 × 101,999.80
  4. Step 4: Simplify right side
    112,886.20x = 17,271,554,734.14
  5. Step 5: Solve for x
    x = 17,271,554,734.14/112,886.20
  6. Step 6: Final answer
    x = 152,999.70

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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.