Home / 211,465.06-291,825.54-115,970.92

Finding the Fourth Proportional to 211,465.06, 291,825.54 and 115,970.92

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Solution

The fourth proportional to 211,465.06, 291,825.54 and 115,970.92 is: 160,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,465.06 : 291,825.54 = 115,970.92 : x
  2. Step 2: Convert to fraction form
    211,465.06/291,825.54 = 115,970.92/x
  3. Step 3: Cross multiply
    211,465.06x = 291,825.54 × 115,970.92
  4. Step 4: Simplify right side
    211,465.06x = 33,843,276,353.30
  5. Step 5: Solve for x
    x = 33,843,276,353.30/211,465.06
  6. Step 6: Final answer
    x = 160,041.93

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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.