Home / 185,421.32-278,009.06-67,077.08

Finding the Fourth Proportional to 185,421.32, 278,009.06 and 67,077.08

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Solution

The fourth proportional to 185,421.32, 278,009.06 and 67,077.08 is: 100,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,421.32 : 278,009.06 = 67,077.08 : x
  2. Step 2: Convert to fraction form
    185,421.32/278,009.06 = 67,077.08/x
  3. Step 3: Cross multiply
    185,421.32x = 278,009.06 × 67,077.08
  4. Step 4: Simplify right side
    185,421.32x = 18,648,035,958.34
  5. Step 5: Solve for x
    x = 18,648,035,958.34/185,421.32
  6. Step 6: Final answer
    x = 100,571.15

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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.