Home / 161,539.20-242,308.80-102,441.60

Finding the Fourth Proportional to 161,539.20, 242,308.80 and 102,441.60

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Solution

The fourth proportional to 161,539.20, 242,308.80 and 102,441.60 is: 153,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,539.20 : 242,308.80 = 102,441.60 : x
  2. Step 2: Convert to fraction form
    161,539.20/242,308.80 = 102,441.60/x
  3. Step 3: Cross multiply
    161,539.20x = 242,308.80 × 102,441.60
  4. Step 4: Simplify right side
    161,539.20x = 24,822,501,166.08
  5. Step 5: Solve for x
    x = 24,822,501,166.08/161,539.20
  6. Step 6: Final answer
    x = 153,662.40

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1.5x scale

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.