Home / 242,128.96-334,136.38-133,239.95

Finding the Fourth Proportional to 242,128.96, 334,136.38 and 133,239.95

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Solution

The fourth proportional to 242,128.96, 334,136.38 and 133,239.95 is: 183,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,128.96 : 334,136.38 = 133,239.95 : x
  2. Step 2: Convert to fraction form
    242,128.96/334,136.38 = 133,239.95/x
  3. Step 3: Cross multiply
    242,128.96x = 334,136.38 × 133,239.95
  4. Step 4: Simplify right side
    242,128.96x = 44,520,315,399.72
  5. Step 5: Solve for x
    x = 44,520,315,399.72/242,128.96
  6. Step 6: Final answer
    x = 183,870.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.