Home / 102,303.48-141,140.58-102,145.80

Finding the Fourth Proportional to 102,303.48, 141,140.58 and 102,145.80

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Solution

The fourth proportional to 102,303.48, 141,140.58 and 102,145.80 is: 140,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,303.48 : 141,140.58 = 102,145.80 : x
  2. Step 2: Convert to fraction form
    102,303.48/141,140.58 = 102,145.80/x
  3. Step 3: Cross multiply
    102,303.48x = 141,140.58 × 102,145.80
  4. Step 4: Simplify right side
    102,303.48x = 14,416,917,456.56
  5. Step 5: Solve for x
    x = 14,416,917,456.56/102,303.48
  6. Step 6: Final answer
    x = 140,923.04

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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.