Home / 121,378.39-182,066.59-37,138.21

Finding the Fourth Proportional to 121,378.39, 182,066.59 and 37,138.21

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Solution

The fourth proportional to 121,378.39, 182,066.59 and 37,138.21 is: 55,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378.39 : 182,066.59 = 37,138.21 : x
  2. Step 2: Convert to fraction form
    121,378.39/182,066.59 = 37,138.21/x
  3. Step 3: Cross multiply
    121,378.39x = 182,066.59 × 37,138.21
  4. Step 4: Simplify right side
    121,378.39x = 6,761,626,844.66
  5. Step 5: Solve for x
    x = 6,761,626,844.66/121,378.39
  6. Step 6: Final answer
    x = 55,707.01

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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.