Home / 103,816.26-143,277.66-63,557.10

Finding the Fourth Proportional to 103,816.26, 143,277.66 and 63,557.10

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Solution

The fourth proportional to 103,816.26, 143,277.66 and 63,557.10 is: 87,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,816.26 : 143,277.66 = 63,557.10 : x
  2. Step 2: Convert to fraction form
    103,816.26/143,277.66 = 63,557.10/x
  3. Step 3: Cross multiply
    103,816.26x = 143,277.66 × 63,557.10
  4. Step 4: Simplify right side
    103,816.26x = 9,106,312,564.39
  5. Step 5: Solve for x
    x = 9,106,312,564.39/103,816.26
  6. Step 6: Final answer
    x = 87,715.67

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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.