Home / 147,430.23-203,460.81-82,919.67

Finding the Fourth Proportional to 147,430.23, 203,460.81 and 82,919.67

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Solution

The fourth proportional to 147,430.23, 203,460.81 and 82,919.67 is: 114,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,430.23 : 203,460.81 = 82,919.67 : x
  2. Step 2: Convert to fraction form
    147,430.23/203,460.81 = 82,919.67/x
  3. Step 3: Cross multiply
    147,430.23x = 203,460.81 × 82,919.67
  4. Step 4: Simplify right side
    147,430.23x = 16,870,903,223.13
  5. Step 5: Solve for x
    x = 16,870,903,223.13/147,430.23
  6. Step 6: Final answer
    x = 114,433.13

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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.