Home / 130,792.25-180,487.11-72,652.74

Finding the Fourth Proportional to 130,792.25, 180,487.11 and 72,652.74

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Solution

The fourth proportional to 130,792.25, 180,487.11 and 72,652.74 is: 100,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,792.25 : 180,487.11 = 72,652.74 : x
  2. Step 2: Convert to fraction form
    130,792.25/180,487.11 = 72,652.74/x
  3. Step 3: Cross multiply
    130,792.25x = 180,487.11 × 72,652.74
  4. Step 4: Simplify right side
    130,792.25x = 13,112,883,076.18
  5. Step 5: Solve for x
    x = 13,112,883,076.18/130,792.25
  6. Step 6: Final answer
    x = 100,257.34

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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.