Home / 103,883.14-143,325.08-63,554.86

Finding the Fourth Proportional to 103,883.14, 143,325.08 and 63,554.86

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Solution

The fourth proportional to 103,883.14, 143,325.08 and 63,554.86 is: 87,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,883.14 : 143,325.08 = 63,554.86 : x
  2. Step 2: Convert to fraction form
    103,883.14/143,325.08 = 63,554.86/x
  3. Step 3: Cross multiply
    103,883.14x = 143,325.08 × 63,554.86
  4. Step 4: Simplify right side
    103,883.14x = 9,109,005,393.89
  5. Step 5: Solve for x
    x = 9,109,005,393.89/103,883.14
  6. Step 6: Final answer
    x = 87,685.12

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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.