Home / 201,731.04-302,783.40-101,961.72

Finding the Fourth Proportional to 201,731.04, 302,783.40 and 101,961.72

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Solution

The fourth proportional to 201,731.04, 302,783.40 and 101,961.72 is: 153,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,731.04 : 302,783.40 = 101,961.72 : x
  2. Step 2: Convert to fraction form
    201,731.04/302,783.40 = 101,961.72/x
  3. Step 3: Cross multiply
    201,731.04x = 302,783.40 × 101,961.72
  4. Step 4: Simplify right side
    201,731.04x = 30,872,316,251.45
  5. Step 5: Solve for x
    x = 30,872,316,251.45/201,731.04
  6. Step 6: Final answer
    x = 153,037.02

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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.