Home / 98,739.59-148,192.32-42,622.08

Finding the Fourth Proportional to 98,739.59, 148,192.32 and 42,622.08

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Solution

The fourth proportional to 98,739.59, 148,192.32 and 42,622.08 is: 63,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.59 : 148,192.32 = 42,622.08 : x
  2. Step 2: Convert to fraction form
    98,739.59/148,192.32 = 42,622.08/x
  3. Step 3: Cross multiply
    98,739.59x = 148,192.32 × 42,622.08
  4. Step 4: Simplify right side
    98,739.59x = 6,316,265,116.37
  5. Step 5: Solve for x
    x = 6,316,265,116.37/98,739.59
  6. Step 6: Final answer
    x = 63,968.92

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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.