Home / 223,071.03-334,938.78-90,210.78

Finding the Fourth Proportional to 223,071.03, 334,938.78 and 90,210.78

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Solution

The fourth proportional to 223,071.03, 334,938.78 and 90,210.78 is: 135,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,071.03 : 334,938.78 = 90,210.78 : x
  2. Step 2: Convert to fraction form
    223,071.03/334,938.78 = 90,210.78/x
  3. Step 3: Cross multiply
    223,071.03x = 334,938.78 × 90,210.78
  4. Step 4: Simplify right side
    223,071.03x = 30,215,088,596.05
  5. Step 5: Solve for x
    x = 30,215,088,596.05/223,071.03
  6. Step 6: Final answer
    x = 135,450.53

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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.