Home / 112,024.70-168,037.05-105,458.30

Finding the Fourth Proportional to 112,024.70, 168,037.05 and 105,458.30

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Solution

The fourth proportional to 112,024.70, 168,037.05 and 105,458.30 is: 158,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,024.70 : 168,037.05 = 105,458.30 : x
  2. Step 2: Convert to fraction form
    112,024.70/168,037.05 = 105,458.30/x
  3. Step 3: Cross multiply
    112,024.70x = 168,037.05 × 105,458.30
  4. Step 4: Simplify right side
    112,024.70x = 17,720,901,630.02
  5. Step 5: Solve for x
    x = 17,720,901,630.02/112,024.70
  6. Step 6: Final answer
    x = 158,187.45

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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.