Home / 141,069.60-211,663.75-87,806.12

Finding the Fourth Proportional to 141,069.60, 211,663.75 and 87,806.12

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Solution

The fourth proportional to 141,069.60, 211,663.75 and 87,806.12 is: 131,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,069.60 : 211,663.75 = 87,806.12 : x
  2. Step 2: Convert to fraction form
    141,069.60/211,663.75 = 87,806.12/x
  3. Step 3: Cross multiply
    141,069.60x = 211,663.75 × 87,806.12
  4. Step 4: Simplify right side
    141,069.60x = 18,585,373,271.07
  5. Step 5: Solve for x
    x = 18,585,373,271.07/141,069.60
  6. Step 6: Final answer
    x = 131,746.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.