Home / 249,457.17-344,243.21-142,042.53

Finding the Fourth Proportional to 249,457.17, 344,243.21 and 142,042.53

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Solution

The fourth proportional to 249,457.17, 344,243.21 and 142,042.53 is: 196,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,457.17 : 344,243.21 = 142,042.53 : x
  2. Step 2: Convert to fraction form
    249,457.17/344,243.21 = 142,042.53/x
  3. Step 3: Cross multiply
    249,457.17x = 344,243.21 × 142,042.53
  4. Step 4: Simplify right side
    249,457.17x = 48,897,175,773.51
  5. Step 5: Solve for x
    x = 48,897,175,773.51/249,457.17
  6. Step 6: Final answer
    x = 196,014.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.