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Finding the Fourth Proportional to 202,173.68, 302,762.16 and 127,107.60

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Solution

The fourth proportional to 202,173.68, 302,762.16 and 127,107.60 is: 190,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,173.68 : 302,762.16 = 127,107.60 : x
  2. Step 2: Convert to fraction form
    202,173.68/302,762.16 = 127,107.60/x
  3. Step 3: Cross multiply
    202,173.68x = 302,762.16 × 127,107.60
  4. Step 4: Simplify right side
    202,173.68x = 38,483,371,528.42
  5. Step 5: Solve for x
    x = 38,483,371,528.42/202,173.68
  6. Step 6: Final answer
    x = 190,348.08

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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.