Home / 104,617.60-156,774.94-72,126.45

Finding the Fourth Proportional to 104,617.60, 156,774.94 and 72,126.45

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Solution

The fourth proportional to 104,617.60, 156,774.94 and 72,126.45 is: 108,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.60 : 156,774.94 = 72,126.45 : x
  2. Step 2: Convert to fraction form
    104,617.60/156,774.94 = 72,126.45/x
  3. Step 3: Cross multiply
    104,617.60x = 156,774.94 × 72,126.45
  4. Step 4: Simplify right side
    104,617.60x = 11,307,619,871.16
  5. Step 5: Solve for x
    x = 11,307,619,871.16/104,617.60
  6. Step 6: Final answer
    x = 108,085.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.