Home / 104,375.90-144,038.76-56,629.26

Finding the Fourth Proportional to 104,375.90, 144,038.76 and 56,629.26

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Solution

The fourth proportional to 104,375.90, 144,038.76 and 56,629.26 is: 78,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,375.90 : 144,038.76 = 56,629.26 : x
  2. Step 2: Convert to fraction form
    104,375.90/144,038.76 = 56,629.26/x
  3. Step 3: Cross multiply
    104,375.90x = 144,038.76 × 56,629.26
  4. Step 4: Simplify right side
    104,375.90x = 8,156,807,386.78
  5. Step 5: Solve for x
    x = 8,156,807,386.78/104,375.90
  6. Step 6: Final answer
    x = 78,148.38

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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.