Home / 181,539.40-250,533.64-100,968.50

Finding the Fourth Proportional to 181,539.40, 250,533.64 and 100,968.50

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Solution

The fourth proportional to 181,539.40, 250,533.64 and 100,968.50 is: 139,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,539.40 : 250,533.64 = 100,968.50 : x
  2. Step 2: Convert to fraction form
    181,539.40/250,533.64 = 100,968.50/x
  3. Step 3: Cross multiply
    181,539.40x = 250,533.64 × 100,968.50
  4. Step 4: Simplify right side
    181,539.40x = 25,296,005,830.34
  5. Step 5: Solve for x
    x = 25,296,005,830.34/181,539.40
  6. Step 6: Final answer
    x = 139,341.68

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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.