Home / 254,858.10-382,068.45-130,199.10

Finding the Fourth Proportional to 254,858.10, 382,068.45 and 130,199.10

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Solution

The fourth proportional to 254,858.10, 382,068.45 and 130,199.10 is: 195,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,858.10 : 382,068.45 = 130,199.10 : x
  2. Step 2: Convert to fraction form
    254,858.10/382,068.45 = 130,199.10/x
  3. Step 3: Cross multiply
    254,858.10x = 382,068.45 × 130,199.10
  4. Step 4: Simplify right side
    254,858.10x = 49,744,968,328.40
  5. Step 5: Solve for x
    x = 49,744,968,328.40/254,858.10
  6. Step 6: Final answer
    x = 195,186.92

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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.