Home / 141,733.50-195,592.23-78,071.10

Finding the Fourth Proportional to 141,733.50, 195,592.23 and 78,071.10

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Solution

The fourth proportional to 141,733.50, 195,592.23 and 78,071.10 is: 107,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,733.50 : 195,592.23 = 78,071.10 : x
  2. Step 2: Convert to fraction form
    141,733.50/195,592.23 = 78,071.10/x
  3. Step 3: Cross multiply
    141,733.50x = 195,592.23 × 78,071.10
  4. Step 4: Simplify right side
    141,733.50x = 15,270,100,547.55
  5. Step 5: Solve for x
    x = 15,270,100,547.55/141,733.50
  6. Step 6: Final answer
    x = 107,738.12

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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.