Home / 85,184.99-127,777.95-35,238.02

Finding the Fourth Proportional to 85,184.99, 127,777.95 and 35,238.02

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Solution

The fourth proportional to 85,184.99, 127,777.95 and 35,238.02 is: 52,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,184.99 : 127,777.95 = 35,238.02 : x
  2. Step 2: Convert to fraction form
    85,184.99/127,777.95 = 35,238.02/x
  3. Step 3: Cross multiply
    85,184.99x = 127,777.95 × 35,238.02
  4. Step 4: Simplify right side
    85,184.99x = 4,502,642,277.10
  5. Step 5: Solve for x
    x = 4,502,642,277.10/85,184.99
  6. Step 6: Final answer
    x = 52,857.23

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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.