Home / 249,563.90-344,398.22-142,143.93

Finding the Fourth Proportional to 249,563.90, 344,398.22 and 142,143.93

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Solution

The fourth proportional to 249,563.90, 344,398.22 and 142,143.93 is: 196,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,563.90 : 344,398.22 = 142,143.93 : x
  2. Step 2: Convert to fraction form
    249,563.90/344,398.22 = 142,143.93/x
  3. Step 3: Cross multiply
    249,563.90x = 344,398.22 × 142,143.93
  4. Step 4: Simplify right side
    249,563.90x = 48,954,116,475.80
  5. Step 5: Solve for x
    x = 48,954,116,475.80/249,563.90
  6. Step 6: Final answer
    x = 196,158.65

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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.