Home / 141,246.90-211,870.35-131,405.40

Finding the Fourth Proportional to 141,246.90, 211,870.35 and 131,405.40

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Solution

The fourth proportional to 141,246.90, 211,870.35 and 131,405.40 is: 197,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246.90 : 211,870.35 = 131,405.40 : x
  2. Step 2: Convert to fraction form
    141,246.90/211,870.35 = 131,405.40/x
  3. Step 3: Cross multiply
    141,246.90x = 211,870.35 × 131,405.40
  4. Step 4: Simplify right side
    141,246.90x = 27,840,908,089.89
  5. Step 5: Solve for x
    x = 27,840,908,089.89/141,246.90
  6. Step 6: Final answer
    x = 197,108.10

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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.