Home / 249,954.13-374,970.07-81,435.22

Finding the Fourth Proportional to 249,954.13, 374,970.07 and 81,435.22

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Solution

The fourth proportional to 249,954.13, 374,970.07 and 81,435.22 is: 122,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,954.13 : 374,970.07 = 81,435.22 : x
  2. Step 2: Convert to fraction form
    249,954.13/374,970.07 = 81,435.22/x
  3. Step 3: Cross multiply
    249,954.13x = 374,970.07 × 81,435.22
  4. Step 4: Simplify right side
    249,954.13x = 30,535,771,531.96
  5. Step 5: Solve for x
    x = 30,535,771,531.96/249,954.13
  6. Step 6: Final answer
    x = 122,165.50

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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.