Home / 154,676.68-213,434.79-94,225.39

Finding the Fourth Proportional to 154,676.68, 213,434.79 and 94,225.39

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Solution

The fourth proportional to 154,676.68, 213,434.79 and 94,225.39 is: 130,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,676.68 : 213,434.79 = 94,225.39 : x
  2. Step 2: Convert to fraction form
    154,676.68/213,434.79 = 94,225.39/x
  3. Step 3: Cross multiply
    154,676.68x = 213,434.79 × 94,225.39
  4. Step 4: Simplify right side
    154,676.68x = 20,110,976,327.32
  5. Step 5: Solve for x
    x = 20,110,976,327.32/154,676.68
  6. Step 6: Final answer
    x = 130,019.45

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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.