Home / 161,823.29-242,708.93-68,316.89

Finding the Fourth Proportional to 161,823.29, 242,708.93 and 68,316.89

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Solution

The fourth proportional to 161,823.29, 242,708.93 and 68,316.89 is: 102,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,823.29 : 242,708.93 = 68,316.89 : x
  2. Step 2: Convert to fraction form
    161,823.29/242,708.93 = 68,316.89/x
  3. Step 3: Cross multiply
    161,823.29x = 242,708.93 × 68,316.89
  4. Step 4: Simplify right side
    161,823.29x = 16,581,118,931.24
  5. Step 5: Solve for x
    x = 16,581,118,931.24/161,823.29
  6. Step 6: Final answer
    x = 102,464.35

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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.