Home / 141,018.76-211,465.88-66,078.38

Finding the Fourth Proportional to 141,018.76, 211,465.88 and 66,078.38

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Solution

The fourth proportional to 141,018.76, 211,465.88 and 66,078.38 is: 99,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,018.76 : 211,465.88 = 66,078.38 : x
  2. Step 2: Convert to fraction form
    141,018.76/211,465.88 = 66,078.38/x
  3. Step 3: Cross multiply
    141,018.76x = 211,465.88 × 66,078.38
  4. Step 4: Simplify right side
    141,018.76x = 13,973,322,775.67
  5. Step 5: Solve for x
    x = 13,973,322,775.67/141,018.76
  6. Step 6: Final answer
    x = 99,088.40

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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.