Home / 190,950.30-286,466.76-72,623.88

Finding the Fourth Proportional to 190,950.30, 286,466.76 and 72,623.88

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Solution

The fourth proportional to 190,950.30, 286,466.76 and 72,623.88 is: 108,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,950.30 : 286,466.76 = 72,623.88 : x
  2. Step 2: Convert to fraction form
    190,950.30/286,466.76 = 72,623.88/x
  3. Step 3: Cross multiply
    190,950.30x = 286,466.76 × 72,623.88
  4. Step 4: Simplify right side
    190,950.30x = 20,804,327,602.23
  5. Step 5: Solve for x
    x = 20,804,327,602.23/190,950.30
  6. Step 6: Final answer
    x = 108,951.53

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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.