Home / 134,539.04-185,677.01-100,488.48

Finding the Fourth Proportional to 134,539.04, 185,677.01 and 100,488.48

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Solution

The fourth proportional to 134,539.04, 185,677.01 and 100,488.48 is: 138,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,539.04 : 185,677.01 = 100,488.48 : x
  2. Step 2: Convert to fraction form
    134,539.04/185,677.01 = 100,488.48/x
  3. Step 3: Cross multiply
    134,539.04x = 185,677.01 × 100,488.48
  4. Step 4: Simplify right side
    134,539.04x = 18,658,400,380.23
  5. Step 5: Solve for x
    x = 18,658,400,380.23/134,539.04
  6. Step 6: Final answer
    x = 138,683.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.