Home / 153,449.36-211,819.56-119,926.16

Finding the Fourth Proportional to 153,449.36, 211,819.56 and 119,926.16

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Solution

The fourth proportional to 153,449.36, 211,819.56 and 119,926.16 is: 165,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,449.36 : 211,819.56 = 119,926.16 : x
  2. Step 2: Convert to fraction form
    153,449.36/211,819.56 = 119,926.16/x
  3. Step 3: Cross multiply
    153,449.36x = 211,819.56 × 119,926.16
  4. Step 4: Simplify right side
    153,449.36x = 25,402,706,443.69
  5. Step 5: Solve for x
    x = 25,402,706,443.69/153,449.36
  6. Step 6: Final answer
    x = 165,544.56

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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.