Home / 131,023.32-180,817.02-74,444.28

Finding the Fourth Proportional to 131,023.32, 180,817.02 and 74,444.28

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Solution

The fourth proportional to 131,023.32, 180,817.02 and 74,444.28 is: 102,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,023.32 : 180,817.02 = 74,444.28 : x
  2. Step 2: Convert to fraction form
    131,023.32/180,817.02 = 74,444.28/x
  3. Step 3: Cross multiply
    131,023.32x = 180,817.02 × 74,444.28
  4. Step 4: Simplify right side
    131,023.32x = 13,460,792,865.65
  5. Step 5: Solve for x
    x = 13,460,792,865.65/131,023.32
  6. Step 6: Final answer
    x = 102,735.86

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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.