Home / 103,370.36-142,666.72-63,107.60

Finding the Fourth Proportional to 103,370.36, 142,666.72 and 63,107.60

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Solution

The fourth proportional to 103,370.36, 142,666.72 and 63,107.60 is: 87,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,370.36 : 142,666.72 = 63,107.60 : x
  2. Step 2: Convert to fraction form
    103,370.36/142,666.72 = 63,107.60/x
  3. Step 3: Cross multiply
    103,370.36x = 142,666.72 × 63,107.60
  4. Step 4: Simplify right side
    103,370.36x = 9,003,354,299.07
  5. Step 5: Solve for x
    x = 9,003,354,299.07/103,370.36
  6. Step 6: Final answer
    x = 87,098.03

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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.