Home / 98,807.04-148,165.20-42,620.22

Finding the Fourth Proportional to 98,807.04, 148,165.20 and 42,620.22

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Solution

The fourth proportional to 98,807.04, 148,165.20 and 42,620.22 is: 63,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,807.04 : 148,165.20 = 42,620.22 : x
  2. Step 2: Convert to fraction form
    98,807.04/148,165.20 = 42,620.22/x
  3. Step 3: Cross multiply
    98,807.04x = 148,165.20 × 42,620.22
  4. Step 4: Simplify right side
    98,807.04x = 6,314,833,420.34
  5. Step 5: Solve for x
    x = 6,314,833,420.34/98,807.04
  6. Step 6: Final answer
    x = 63,910.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.