Home / 134,914.70-202,372.05-72,706.70

Finding the Fourth Proportional to 134,914.70, 202,372.05 and 72,706.70

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Solution

The fourth proportional to 134,914.70, 202,372.05 and 72,706.70 is: 109,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,914.70 : 202,372.05 = 72,706.70 : x
  2. Step 2: Convert to fraction form
    134,914.70/202,372.05 = 72,706.70/x
  3. Step 3: Cross multiply
    134,914.70x = 202,372.05 × 72,706.70
  4. Step 4: Simplify right side
    134,914.70x = 14,713,803,927.74
  5. Step 5: Solve for x
    x = 14,713,803,927.74/134,914.70
  6. Step 6: Final answer
    x = 109,060.05

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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.