Home / 160,003.18-240,155.43-81,173.98

Finding the Fourth Proportional to 160,003.18, 240,155.43 and 81,173.98

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Solution

The fourth proportional to 160,003.18, 240,155.43 and 81,173.98 is: 121,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,003.18 : 240,155.43 = 81,173.98 : x
  2. Step 2: Convert to fraction form
    160,003.18/240,155.43 = 81,173.98/x
  3. Step 3: Cross multiply
    160,003.18x = 240,155.43 × 81,173.98
  4. Step 4: Simplify right side
    160,003.18x = 19,494,372,071.71
  5. Step 5: Solve for x
    x = 19,494,372,071.71/160,003.18
  6. Step 6: Final answer
    x = 121,837.40

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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.