Home / 154,676.16-213,466.85-90,141.84

Finding the Fourth Proportional to 154,676.16, 213,466.85 and 90,141.84

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Solution

The fourth proportional to 154,676.16, 213,466.85 and 90,141.84 is: 124,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,676.16 : 213,466.85 = 90,141.84 : x
  2. Step 2: Convert to fraction form
    154,676.16/213,466.85 = 90,141.84/x
  3. Step 3: Cross multiply
    154,676.16x = 213,466.85 × 90,141.84
  4. Step 4: Simplify right side
    154,676.16x = 19,242,294,187.29
  5. Step 5: Solve for x
    x = 19,242,294,187.29/154,676.16
  6. Step 6: Final answer
    x = 124,403.75

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1.5x scale

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.