Home / 141,239.40-195,036.94-105,367.12

Finding the Fourth Proportional to 141,239.40, 195,036.94 and 105,367.12

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Solution

The fourth proportional to 141,239.40, 195,036.94 and 105,367.12 is: 145,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,239.40 : 195,036.94 = 105,367.12 : x
  2. Step 2: Convert to fraction form
    141,239.40/195,036.94 = 105,367.12/x
  3. Step 3: Cross multiply
    141,239.40x = 195,036.94 × 105,367.12
  4. Step 4: Simplify right side
    141,239.40x = 20,550,480,661.41
  5. Step 5: Solve for x
    x = 20,550,480,661.41/141,239.40
  6. Step 6: Final answer
    x = 145,501.05

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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.