Home / 103,444.16-142,768.37-63,181.08

Finding the Fourth Proportional to 103,444.16, 142,768.37 and 63,181.08

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Solution

The fourth proportional to 103,444.16, 142,768.37 and 63,181.08 is: 87,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,444.16 : 142,768.37 = 63,181.08 : x
  2. Step 2: Convert to fraction form
    103,444.16/142,768.37 = 63,181.08/x
  3. Step 3: Cross multiply
    103,444.16x = 142,768.37 × 63,181.08
  4. Step 4: Simplify right side
    103,444.16x = 9,020,259,964.39
  5. Step 5: Solve for x
    x = 9,020,259,964.39/103,444.16
  6. Step 6: Final answer
    x = 87,199.32

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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.