Home / 92,277.81-137,911.04-67,370.31

Finding the Fourth Proportional to 92,277.81, 137,911.04 and 67,370.31

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Solution

The fourth proportional to 92,277.81, 137,911.04 and 67,370.31 is: 100,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,277.81 : 137,911.04 = 67,370.31 : x
  2. Step 2: Convert to fraction form
    92,277.81/137,911.04 = 67,370.31/x
  3. Step 3: Cross multiply
    92,277.81x = 137,911.04 × 67,370.31
  4. Step 4: Simplify right side
    92,277.81x = 9,291,109,180.37
  5. Step 5: Solve for x
    x = 9,291,109,180.37/92,277.81
  6. Step 6: Final answer
    x = 100,686.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.