Home / 104,601.21-144,343.56-56,854.14

Finding the Fourth Proportional to 104,601.21, 144,343.56 and 56,854.14

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Solution

The fourth proportional to 104,601.21, 144,343.56 and 56,854.14 is: 78,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,601.21 : 144,343.56 = 56,854.14 : x
  2. Step 2: Convert to fraction form
    104,601.21/144,343.56 = 56,854.14/x
  3. Step 3: Cross multiply
    104,601.21x = 144,343.56 × 56,854.14
  4. Step 4: Simplify right side
    104,601.21x = 8,206,528,968.34
  5. Step 5: Solve for x
    x = 8,206,528,968.34/104,601.21
  6. Step 6: Final answer
    x = 78,455.39

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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.