Home / 254,837.07-382,303.80-84,068.55

Finding the Fourth Proportional to 254,837.07, 382,303.80 and 84,068.55

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Solution

The fourth proportional to 254,837.07, 382,303.80 and 84,068.55 is: 126,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,837.07 : 382,303.80 = 84,068.55 : x
  2. Step 2: Convert to fraction form
    254,837.07/382,303.80 = 84,068.55/x
  3. Step 3: Cross multiply
    254,837.07x = 382,303.80 × 84,068.55
  4. Step 4: Simplify right side
    254,837.07x = 32,139,726,125.49
  5. Step 5: Solve for x
    x = 32,139,726,125.49/254,837.07
  6. Step 6: Final answer
    x = 126,118.72

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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.