Home / 188,783.34-260,522.86-103,902.36

Finding the Fourth Proportional to 188,783.34, 260,522.86 and 103,902.36

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Solution

The fourth proportional to 188,783.34, 260,522.86 and 103,902.36 is: 143,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,783.34 : 260,522.86 = 103,902.36 : x
  2. Step 2: Convert to fraction form
    188,783.34/260,522.86 = 103,902.36/x
  3. Step 3: Cross multiply
    188,783.34x = 260,522.86 × 103,902.36
  4. Step 4: Simplify right side
    188,783.34x = 27,068,939,987.95
  5. Step 5: Solve for x
    x = 27,068,939,987.95/188,783.34
  6. Step 6: Final answer
    x = 143,386.28

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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.