Home / 147,869.80-221,804.70-118,345.30

Finding the Fourth Proportional to 147,869.80, 221,804.70 and 118,345.30

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Solution

The fourth proportional to 147,869.80, 221,804.70 and 118,345.30 is: 177,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,869.80 : 221,804.70 = 118,345.30 : x
  2. Step 2: Convert to fraction form
    147,869.80/221,804.70 = 118,345.30/x
  3. Step 3: Cross multiply
    147,869.80x = 221,804.70 × 118,345.30
  4. Step 4: Simplify right side
    147,869.80x = 26,249,543,762.91
  5. Step 5: Solve for x
    x = 26,249,543,762.91/147,869.80
  6. Step 6: Final answer
    x = 177,517.95

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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.