Home / 211,450.86-291,810.60-115,960.98

Finding the Fourth Proportional to 211,450.86, 291,810.60 and 115,960.98

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Solution

The fourth proportional to 211,450.86, 291,810.60 and 115,960.98 is: 160,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,450.86 : 291,810.60 = 115,960.98 : x
  2. Step 2: Convert to fraction form
    211,450.86/291,810.60 = 115,960.98/x
  3. Step 3: Cross multiply
    211,450.86x = 291,810.60 × 115,960.98
  4. Step 4: Simplify right side
    211,450.86x = 33,838,643,150.39
  5. Step 5: Solve for x
    x = 33,838,643,150.39/211,450.86
  6. Step 6: Final answer
    x = 160,030.77

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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.