Home / 147,869.70-221,804.55-118,345.20

Finding the Fourth Proportional to 147,869.70, 221,804.55 and 118,345.20

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Solution

The fourth proportional to 147,869.70, 221,804.55 and 118,345.20 is: 177,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,869.70 : 221,804.55 = 118,345.20 : x
  2. Step 2: Convert to fraction form
    147,869.70/221,804.55 = 118,345.20/x
  3. Step 3: Cross multiply
    147,869.70x = 221,804.55 × 118,345.20
  4. Step 4: Simplify right side
    147,869.70x = 26,249,503,830.66
  5. Step 5: Solve for x
    x = 26,249,503,830.66/147,869.70
  6. Step 6: Final answer
    x = 177,517.80

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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.