Home / 141,240.40-195,038.32-105,368.12

Finding the Fourth Proportional to 141,240.40, 195,038.32 and 105,368.12

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Solution

The fourth proportional to 141,240.40, 195,038.32 and 105,368.12 is: 145,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,240.40 : 195,038.32 = 105,368.12 : x
  2. Step 2: Convert to fraction form
    141,240.40/195,038.32 = 105,368.12/x
  3. Step 3: Cross multiply
    141,240.40x = 195,038.32 × 105,368.12
  4. Step 4: Simplify right side
    141,240.40x = 20,550,821,106.36
  5. Step 5: Solve for x
    x = 20,550,821,106.36/141,240.40
  6. Step 6: Final answer
    x = 145,502.43

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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.