Home / 201,564.30-278,152.84-110,920.23

Finding the Fourth Proportional to 201,564.30, 278,152.84 and 110,920.23

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Solution

The fourth proportional to 201,564.30, 278,152.84 and 110,920.23 is: 153,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,564.30 : 278,152.84 = 110,920.23 : x
  2. Step 2: Convert to fraction form
    201,564.30/278,152.84 = 110,920.23/x
  3. Step 3: Cross multiply
    201,564.30x = 278,152.84 × 110,920.23
  4. Step 4: Simplify right side
    201,564.30x = 30,852,776,987.95
  5. Step 5: Solve for x
    x = 30,852,776,987.95/201,564.30
  6. Step 6: Final answer
    x = 153,066.67

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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.