Home / 242,431.40-363,647.10-109,461.80

Finding the Fourth Proportional to 242,431.40, 363,647.10 and 109,461.80

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Solution

The fourth proportional to 242,431.40, 363,647.10 and 109,461.80 is: 164,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,431.40 : 363,647.10 = 109,461.80 : x
  2. Step 2: Convert to fraction form
    242,431.40/363,647.10 = 109,461.80/x
  3. Step 3: Cross multiply
    242,431.40x = 363,647.10 × 109,461.80
  4. Step 4: Simplify right side
    242,431.40x = 39,805,466,130.78
  5. Step 5: Solve for x
    x = 39,805,466,130.78/242,431.40
  6. Step 6: Final answer
    x = 164,192.70

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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.