Home / 161,775.81-242,498.48-56,508.21

Finding the Fourth Proportional to 161,775.81, 242,498.48 and 56,508.21

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Solution

The fourth proportional to 161,775.81, 242,498.48 and 56,508.21 is: 84,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,775.81 : 242,498.48 = 56,508.21 : x
  2. Step 2: Convert to fraction form
    161,775.81/242,498.48 = 56,508.21/x
  3. Step 3: Cross multiply
    161,775.81x = 242,498.48 × 56,508.21
  4. Step 4: Simplify right side
    161,775.81x = 13,703,154,749.98
  5. Step 5: Solve for x
    x = 13,703,154,749.98/161,775.81
  6. Step 6: Final answer
    x = 84,704.60

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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.