Home / 141,466.80-212,197.15-66,545.45

Finding the Fourth Proportional to 141,466.80, 212,197.15 and 66,545.45

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Solution

The fourth proportional to 141,466.80, 212,197.15 and 66,545.45 is: 99,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,466.80 : 212,197.15 = 66,545.45 : x
  2. Step 2: Convert to fraction form
    141,466.80/212,197.15 = 66,545.45/x
  3. Step 3: Cross multiply
    141,466.80x = 212,197.15 × 66,545.45
  4. Step 4: Simplify right side
    141,466.80x = 14,120,754,653.40
  5. Step 5: Solve for x
    x = 14,120,754,653.40/141,466.80
  6. Step 6: Final answer
    x = 99,816.74

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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.