Home / 105,898.03-146,140.30-58,152.38

Finding the Fourth Proportional to 105,898.03, 146,140.30 and 58,152.38

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Solution

The fourth proportional to 105,898.03, 146,140.30 and 58,152.38 is: 80,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,898.03 : 146,140.30 = 58,152.38 : x
  2. Step 2: Convert to fraction form
    105,898.03/146,140.30 = 58,152.38/x
  3. Step 3: Cross multiply
    105,898.03x = 146,140.30 × 58,152.38
  4. Step 4: Simplify right side
    105,898.03x = 8,498,406,422.94
  5. Step 5: Solve for x
    x = 8,498,406,422.94/105,898.03
  6. Step 6: Final answer
    x = 80,250.84

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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.