Home / 161,970.12-242,896.68-68,483.16

Finding the Fourth Proportional to 161,970.12, 242,896.68 and 68,483.16

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Solution

The fourth proportional to 161,970.12, 242,896.68 and 68,483.16 is: 102,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,970.12 : 242,896.68 = 68,483.16 : x
  2. Step 2: Convert to fraction form
    161,970.12/242,896.68 = 68,483.16/x
  3. Step 3: Cross multiply
    161,970.12x = 242,896.68 × 68,483.16
  4. Step 4: Simplify right side
    161,970.12x = 16,634,332,199.91
  5. Step 5: Solve for x
    x = 16,634,332,199.91/161,970.12
  6. Step 6: Final answer
    x = 102,700.01

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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.