Home / 99,746.10-149,494.41-49,840.20

Finding the Fourth Proportional to 99,746.10, 149,494.41 and 49,840.20

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Solution

The fourth proportional to 99,746.10, 149,494.41 and 49,840.20 is: 74,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.10 : 149,494.41 = 49,840.20 : x
  2. Step 2: Convert to fraction form
    99,746.10/149,494.41 = 49,840.20/x
  3. Step 3: Cross multiply
    99,746.10x = 149,494.41 × 49,840.20
  4. Step 4: Simplify right side
    99,746.10x = 7,450,831,293.28
  5. Step 5: Solve for x
    x = 7,450,831,293.28/99,746.10
  6. Step 6: Final answer
    x = 74,697.97

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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.