Home / 147,846.81-221,788.67-57,877.90

Finding the Fourth Proportional to 147,846.81, 221,788.67 and 57,877.90

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Solution

The fourth proportional to 147,846.81, 221,788.67 and 57,877.90 is: 86,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.81 : 221,788.67 = 57,877.90 : x
  2. Step 2: Convert to fraction form
    147,846.81/221,788.67 = 57,877.90/x
  3. Step 3: Cross multiply
    147,846.81x = 221,788.67 × 57,877.90
  4. Step 4: Simplify right side
    147,846.81x = 12,836,662,915.42
  5. Step 5: Solve for x
    x = 12,836,662,915.42/147,846.81
  6. Step 6: Final answer
    x = 86,824.08

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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.