Home / 161,840.16-242,759.88-56,689.20

Finding the Fourth Proportional to 161,840.16, 242,759.88 and 56,689.20

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Solution

The fourth proportional to 161,840.16, 242,759.88 and 56,689.20 is: 85,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,840.16 : 242,759.88 = 56,689.20 : x
  2. Step 2: Convert to fraction form
    161,840.16/242,759.88 = 56,689.20/x
  3. Step 3: Cross multiply
    161,840.16x = 242,759.88 × 56,689.20
  4. Step 4: Simplify right side
    161,840.16x = 13,761,863,389.30
  5. Step 5: Solve for x
    x = 13,761,863,389.30/161,840.16
  6. Step 6: Final answer
    x = 85,033.67

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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.