Home / 210,846.03-290,970.80-115,354.32

Finding the Fourth Proportional to 210,846.03, 290,970.80 and 115,354.32

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Solution

The fourth proportional to 210,846.03, 290,970.80 and 115,354.32 is: 159,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,846.03 : 290,970.80 = 115,354.32 : x
  2. Step 2: Convert to fraction form
    210,846.03/290,970.80 = 115,354.32/x
  3. Step 3: Cross multiply
    210,846.03x = 290,970.80 × 115,354.32
  4. Step 4: Simplify right side
    210,846.03x = 33,564,738,773.86
  5. Step 5: Solve for x
    x = 33,564,738,773.86/210,846.03
  6. Step 6: Final answer
    x = 159,190.76

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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.