Home / 152,764.45-210,817.22-84,785.81

Finding the Fourth Proportional to 152,764.45, 210,817.22 and 84,785.81

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Solution

The fourth proportional to 152,764.45, 210,817.22 and 84,785.81 is: 117,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,764.45 : 210,817.22 = 84,785.81 : x
  2. Step 2: Convert to fraction form
    152,764.45/210,817.22 = 84,785.81/x
  3. Step 3: Cross multiply
    152,764.45x = 210,817.22 × 84,785.81
  4. Step 4: Simplify right side
    152,764.45x = 17,874,307,281.63
  5. Step 5: Solve for x
    x = 17,874,307,281.63/152,764.45
  6. Step 6: Final answer
    x = 117,005.67

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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.