Home / 92,435.70-138,653.56-30,106.20

Finding the Fourth Proportional to 92,435.70, 138,653.56 and 30,106.20

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Solution

The fourth proportional to 92,435.70, 138,653.56 and 30,106.20 is: 45,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.70 : 138,653.56 = 30,106.20 : x
  2. Step 2: Convert to fraction form
    92,435.70/138,653.56 = 30,106.20/x
  3. Step 3: Cross multiply
    92,435.70x = 138,653.56 × 30,106.20
  4. Step 4: Simplify right side
    92,435.70x = 4,174,332,365.66
  5. Step 5: Solve for x
    x = 4,174,332,365.66/92,435.70
  6. Step 6: Final answer
    x = 45,159.31

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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.