Home / 103,733.64-143,155.26-63,446.67

Finding the Fourth Proportional to 103,733.64, 143,155.26 and 63,446.67

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Solution

The fourth proportional to 103,733.64, 143,155.26 and 63,446.67 is: 87,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,733.64 : 143,155.26 = 63,446.67 : x
  2. Step 2: Convert to fraction form
    103,733.64/143,155.26 = 63,446.67/x
  3. Step 3: Cross multiply
    103,733.64x = 143,155.26 × 63,446.67
  4. Step 4: Simplify right side
    103,733.64x = 9,082,724,539.98
  5. Step 5: Solve for x
    x = 9,082,724,539.98/103,733.64
  6. Step 6: Final answer
    x = 87,558.14

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1.5x scale

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.