Home / 160,296.16-240,466.08-66,780

Finding the Fourth Proportional to 160,296.16, 240,466.08 and 66,780

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Solution

The fourth proportional to 160,296.16, 240,466.08 and 66,780 is: 100,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,296.16 : 240,466.08 = 66,780 : x
  2. Step 2: Convert to fraction form
    160,296.16/240,466.08 = 66,780/x
  3. Step 3: Cross multiply
    160,296.16x = 240,466.08 × 66,780
  4. Step 4: Simplify right side
    160,296.16x = 16,058,324,822.40
  5. Step 5: Solve for x
    x = 16,058,324,822.40/160,296.16
  6. Step 6: Final answer
    x = 100,179.10

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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.