Home / 161,390.21-242,098.86-49,071.40

Finding the Fourth Proportional to 161,390.21, 242,098.86 and 49,071.40

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Solution

The fourth proportional to 161,390.21, 242,098.86 and 49,071.40 is: 73,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,390.21 : 242,098.86 = 49,071.40 : x
  2. Step 2: Convert to fraction form
    161,390.21/242,098.86 = 49,071.40/x
  3. Step 3: Cross multiply
    161,390.21x = 242,098.86 × 49,071.40
  4. Step 4: Simplify right side
    161,390.21x = 11,880,130,485.25
  5. Step 5: Solve for x
    x = 11,880,130,485.25/161,390.21
  6. Step 6: Final answer
    x = 73,611.22

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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.