Home / 152,069.80-228,104.70-137,036.20

Finding the Fourth Proportional to 152,069.80, 228,104.70 and 137,036.20

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Solution

The fourth proportional to 152,069.80, 228,104.70 and 137,036.20 is: 205,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,069.80 : 228,104.70 = 137,036.20 : x
  2. Step 2: Convert to fraction form
    152,069.80/228,104.70 = 137,036.20/x
  3. Step 3: Cross multiply
    152,069.80x = 228,104.70 × 137,036.20
  4. Step 4: Simplify right side
    152,069.80x = 31,258,601,290.14
  5. Step 5: Solve for x
    x = 31,258,601,290.14/152,069.80
  6. Step 6: Final answer
    x = 205,554.30

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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.