Home / 134,001.58-200,971.67-79,981.50

Finding the Fourth Proportional to 134,001.58, 200,971.67 and 79,981.50

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Solution

The fourth proportional to 134,001.58, 200,971.67 and 79,981.50 is: 119,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,001.58 : 200,971.67 = 79,981.50 : x
  2. Step 2: Convert to fraction form
    134,001.58/200,971.67 = 79,981.50/x
  3. Step 3: Cross multiply
    134,001.58x = 200,971.67 × 79,981.50
  4. Step 4: Simplify right side
    134,001.58x = 16,074,015,624.11
  5. Step 5: Solve for x
    x = 16,074,015,624.11/134,001.58
  6. Step 6: Final answer
    x = 119,953.93

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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.