Home / 103,883.22-143,326.96-63,554.94

Finding the Fourth Proportional to 103,883.22, 143,326.96 and 63,554.94

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Solution

The fourth proportional to 103,883.22, 143,326.96 and 63,554.94 is: 87,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,883.22 : 143,326.96 = 63,554.94 : x
  2. Step 2: Convert to fraction form
    103,883.22/143,326.96 = 63,554.94/x
  3. Step 3: Cross multiply
    103,883.22x = 143,326.96 × 63,554.94
  4. Step 4: Simplify right side
    103,883.22x = 9,109,136,343.18
  5. Step 5: Solve for x
    x = 9,109,136,343.18/103,883.22
  6. Step 6: Final answer
    x = 87,686.31

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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.