Home / 141,384.89-212,071.80-47,890.64

Finding the Fourth Proportional to 141,384.89, 212,071.80 and 47,890.64

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Solution

The fourth proportional to 141,384.89, 212,071.80 and 47,890.64 is: 71,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,384.89 : 212,071.80 = 47,890.64 : x
  2. Step 2: Convert to fraction form
    141,384.89/212,071.80 = 47,890.64/x
  3. Step 3: Cross multiply
    141,384.89x = 212,071.80 × 47,890.64
  4. Step 4: Simplify right side
    141,384.89x = 10,156,254,227.95
  5. Step 5: Solve for x
    x = 10,156,254,227.95/141,384.89
  6. Step 6: Final answer
    x = 71,834.09

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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.