Home / 147,869.86-221,823.21-57,900.95

Finding the Fourth Proportional to 147,869.86, 221,823.21 and 57,900.95

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Solution

The fourth proportional to 147,869.86, 221,823.21 and 57,900.95 is: 86,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,869.86 : 221,823.21 = 57,900.95 : x
  2. Step 2: Convert to fraction form
    147,869.86/221,823.21 = 57,900.95/x
  3. Step 3: Cross multiply
    147,869.86x = 221,823.21 × 57,900.95
  4. Step 4: Simplify right side
    147,869.86x = 12,843,774,301.54
  5. Step 5: Solve for x
    x = 12,843,774,301.54/147,869.86
  6. Step 6: Final answer
    x = 86,858.64

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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.