Home / 249,942.61-374,842.28-81,477.65

Finding the Fourth Proportional to 249,942.61, 374,842.28 and 81,477.65

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Solution

The fourth proportional to 249,942.61, 374,842.28 and 81,477.65 is: 122,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,942.61 : 374,842.28 = 81,477.65 : x
  2. Step 2: Convert to fraction form
    249,942.61/374,842.28 = 81,477.65/x
  3. Step 3: Cross multiply
    249,942.61x = 374,842.28 × 81,477.65
  4. Step 4: Simplify right side
    249,942.61x = 30,541,267,127.35
  5. Step 5: Solve for x
    x = 30,541,267,127.35/249,942.61
  6. Step 6: Final answer
    x = 122,193.12

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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.