Home / 103,548.87-142,908.26-63,289.44

Finding the Fourth Proportional to 103,548.87, 142,908.26 and 63,289.44

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Solution

The fourth proportional to 103,548.87, 142,908.26 and 63,289.44 is: 87,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,548.87 : 142,908.26 = 63,289.44 : x
  2. Step 2: Convert to fraction form
    103,548.87/142,908.26 = 63,289.44/x
  3. Step 3: Cross multiply
    103,548.87x = 142,908.26 × 63,289.44
  4. Step 4: Simplify right side
    103,548.87x = 9,044,584,578.71
  5. Step 5: Solve for x
    x = 9,044,584,578.71/103,548.87
  6. Step 6: Final answer
    x = 87,346.05

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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.