Home / 103,923.90-143,382.30-63,595.62

Finding the Fourth Proportional to 103,923.90, 143,382.30 and 63,595.62

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Solution

The fourth proportional to 103,923.90, 143,382.30 and 63,595.62 is: 87,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,923.90 : 143,382.30 = 63,595.62 : x
  2. Step 2: Convert to fraction form
    103,923.90/143,382.30 = 63,595.62/x
  3. Step 3: Cross multiply
    103,923.90x = 143,382.30 × 63,595.62
  4. Step 4: Simplify right side
    103,923.90x = 9,118,486,265.53
  5. Step 5: Solve for x
    x = 9,118,486,265.53/103,923.90
  6. Step 6: Final answer
    x = 87,741.96

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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.