Home / 142,783.04-197,037.24-82,353.80

Finding the Fourth Proportional to 142,783.04, 197,037.24 and 82,353.80

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Solution

The fourth proportional to 142,783.04, 197,037.24 and 82,353.80 is: 113,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,783.04 : 197,037.24 = 82,353.80 : x
  2. Step 2: Convert to fraction form
    142,783.04/197,037.24 = 82,353.80/x
  3. Step 3: Cross multiply
    142,783.04x = 197,037.24 × 82,353.80
  4. Step 4: Simplify right side
    142,783.04x = 16,226,765,455.51
  5. Step 5: Solve for x
    x = 16,226,765,455.51/142,783.04
  6. Step 6: Final answer
    x = 113,646.31

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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.