Home / 127,005.45-190,483.92-63,808.02

Finding the Fourth Proportional to 127,005.45, 190,483.92 and 63,808.02

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Solution

The fourth proportional to 127,005.45, 190,483.92 and 63,808.02 is: 95,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,005.45 : 190,483.92 = 63,808.02 : x
  2. Step 2: Convert to fraction form
    127,005.45/190,483.92 = 63,808.02/x
  3. Step 3: Cross multiply
    127,005.45x = 190,483.92 × 63,808.02
  4. Step 4: Simplify right side
    127,005.45x = 12,154,401,777.04
  5. Step 5: Solve for x
    x = 12,154,401,777.04/127,005.45
  6. Step 6: Final answer
    x = 95,699.85

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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.