Home / 161,985.90-242,800.65-56,750.70

Finding the Fourth Proportional to 161,985.90, 242,800.65 and 56,750.70

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Solution

The fourth proportional to 161,985.90, 242,800.65 and 56,750.70 is: 85,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,985.90 : 242,800.65 = 56,750.70 : x
  2. Step 2: Convert to fraction form
    161,985.90/242,800.65 = 56,750.70/x
  3. Step 3: Cross multiply
    161,985.90x = 242,800.65 × 56,750.70
  4. Step 4: Simplify right side
    161,985.90x = 13,779,106,847.96
  5. Step 5: Solve for x
    x = 13,779,106,847.96/161,985.90
  6. Step 6: Final answer
    x = 85,063.62

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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.