Home / 202,148.32-278,971.40-110,272.64

Finding the Fourth Proportional to 202,148.32, 278,971.40 and 110,272.64

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Solution

The fourth proportional to 202,148.32, 278,971.40 and 110,272.64 is: 152,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,148.32 : 278,971.40 = 110,272.64 : x
  2. Step 2: Convert to fraction form
    202,148.32/278,971.40 = 110,272.64/x
  3. Step 3: Cross multiply
    202,148.32x = 278,971.40 × 110,272.64
  4. Step 4: Simplify right side
    202,148.32x = 30,762,912,762.50
  5. Step 5: Solve for x
    x = 30,762,912,762.50/202,148.32
  6. Step 6: Final answer
    x = 152,179.91

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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.