Home / 211,484.56-291,848.88-115,993.12

Finding the Fourth Proportional to 211,484.56, 291,848.88 and 115,993.12

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Solution

The fourth proportional to 211,484.56, 291,848.88 and 115,993.12 is: 160,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,484.56 : 291,848.88 = 115,993.12 : x
  2. Step 2: Convert to fraction form
    211,484.56/291,848.88 = 115,993.12/x
  3. Step 3: Cross multiply
    211,484.56x = 291,848.88 × 115,993.12
  4. Step 4: Simplify right side
    211,484.56x = 33,852,462,159.71
  5. Step 5: Solve for x
    x = 33,852,462,159.71/211,484.56
  6. Step 6: Final answer
    x = 160,070.61

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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.