Home / 103,503.50-142,833.56-58,189.04

Finding the Fourth Proportional to 103,503.50, 142,833.56 and 58,189.04

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Solution

The fourth proportional to 103,503.50, 142,833.56 and 58,189.04 is: 80,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,503.50 : 142,833.56 = 58,189.04 : x
  2. Step 2: Convert to fraction form
    103,503.50/142,833.56 = 58,189.04/x
  3. Step 3: Cross multiply
    103,503.50x = 142,833.56 × 58,189.04
  4. Step 4: Simplify right side
    103,503.50x = 8,311,347,736.18
  5. Step 5: Solve for x
    x = 8,311,347,736.18/103,503.50
  6. Step 6: Final answer
    x = 80,300.16

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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.