Home / 107,442.05-148,116.02-75,511.85

Finding the Fourth Proportional to 107,442.05, 148,116.02 and 75,511.85

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Solution

The fourth proportional to 107,442.05, 148,116.02 and 75,511.85 is: 104,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,442.05 : 148,116.02 = 75,511.85 : x
  2. Step 2: Convert to fraction form
    107,442.05/148,116.02 = 75,511.85/x
  3. Step 3: Cross multiply
    107,442.05x = 148,116.02 × 75,511.85
  4. Step 4: Simplify right side
    107,442.05x = 11,184,513,566.70
  5. Step 5: Solve for x
    x = 11,184,513,566.70/107,442.05
  6. Step 6: Final answer
    x = 104,098.11

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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.