Home / 190,126.80-285,175.35-49,881.78

Finding the Fourth Proportional to 190,126.80, 285,175.35 and 49,881.78

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Solution

The fourth proportional to 190,126.80, 285,175.35 and 49,881.78 is: 74,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,126.80 : 285,175.35 = 49,881.78 : x
  2. Step 2: Convert to fraction form
    190,126.80/285,175.35 = 49,881.78/x
  3. Step 3: Cross multiply
    190,126.80x = 285,175.35 × 49,881.78
  4. Step 4: Simplify right side
    190,126.80x = 14,225,054,070.12
  5. Step 5: Solve for x
    x = 14,225,054,070.12/190,126.80
  6. Step 6: Final answer
    x = 74,818.77

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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.