Home / 249,917.40-374,907.29-81,454.68

Finding the Fourth Proportional to 249,917.40, 374,907.29 and 81,454.68

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Solution

The fourth proportional to 249,917.40, 374,907.29 and 81,454.68 is: 122,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,917.40 : 374,907.29 = 81,454.68 : x
  2. Step 2: Convert to fraction form
    249,917.40/374,907.29 = 81,454.68/x
  3. Step 3: Cross multiply
    249,917.40x = 374,907.29 × 81,454.68
  4. Step 4: Simplify right side
    249,917.40x = 30,537,952,929.34
  5. Step 5: Solve for x
    x = 30,537,952,929.34/249,917.40
  6. Step 6: Final answer
    x = 122,192.18

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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.