Home / 103,074.90-142,240.50-60,636.30

Finding the Fourth Proportional to 103,074.90, 142,240.50 and 60,636.30

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Solution

The fourth proportional to 103,074.90, 142,240.50 and 60,636.30 is: 83,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,074.90 : 142,240.50 = 60,636.30 : x
  2. Step 2: Convert to fraction form
    103,074.90/142,240.50 = 60,636.30/x
  3. Step 3: Cross multiply
    103,074.90x = 142,240.50 × 60,636.30
  4. Step 4: Simplify right side
    103,074.90x = 8,624,937,630.15
  5. Step 5: Solve for x
    x = 8,624,937,630.15/103,074.90
  6. Step 6: Final answer
    x = 83,676.41

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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.