Home / 141,810.57-195,698.16-78,148.35

Finding the Fourth Proportional to 141,810.57, 195,698.16 and 78,148.35

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Solution

The fourth proportional to 141,810.57, 195,698.16 and 78,148.35 is: 107,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810.57 : 195,698.16 = 78,148.35 : x
  2. Step 2: Convert to fraction form
    141,810.57/195,698.16 = 78,148.35/x
  3. Step 3: Cross multiply
    141,810.57x = 195,698.16 × 78,148.35
  4. Step 4: Simplify right side
    141,810.57x = 15,293,488,302.04
  5. Step 5: Solve for x
    x = 15,293,488,302.04/141,810.57
  6. Step 6: Final answer
    x = 107,844.49

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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.