Home / 125,477.24-187,975.24-77,951.30

Finding the Fourth Proportional to 125,477.24, 187,975.24 and 77,951.30

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Solution

The fourth proportional to 125,477.24, 187,975.24 and 77,951.30 is: 116,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,477.24 : 187,975.24 = 77,951.30 : x
  2. Step 2: Convert to fraction form
    125,477.24/187,975.24 = 77,951.30/x
  3. Step 3: Cross multiply
    125,477.24x = 187,975.24 × 77,951.30
  4. Step 4: Simplify right side
    125,477.24x = 14,652,913,191.06
  5. Step 5: Solve for x
    x = 14,652,913,191.06/125,477.24
  6. Step 6: Final answer
    x = 116,777.46

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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.