Home / 161,386.08-242,080.20-56,204.70

Finding the Fourth Proportional to 161,386.08, 242,080.20 and 56,204.70

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Solution

The fourth proportional to 161,386.08, 242,080.20 and 56,204.70 is: 84,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,386.08 : 242,080.20 = 56,204.70 : x
  2. Step 2: Convert to fraction form
    161,386.08/242,080.20 = 56,204.70/x
  3. Step 3: Cross multiply
    161,386.08x = 242,080.20 × 56,204.70
  4. Step 4: Simplify right side
    161,386.08x = 13,606,045,016.94
  5. Step 5: Solve for x
    x = 13,606,045,016.94/161,386.08
  6. Step 6: Final answer
    x = 84,307.43

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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.