Home / 249,541.38-344,428.30-142,174.72

Finding the Fourth Proportional to 249,541.38, 344,428.30 and 142,174.72

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Solution

The fourth proportional to 249,541.38, 344,428.30 and 142,174.72 is: 196,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,541.38 : 344,428.30 = 142,174.72 : x
  2. Step 2: Convert to fraction form
    249,541.38/344,428.30 = 142,174.72/x
  3. Step 3: Cross multiply
    249,541.38x = 344,428.30 × 142,174.72
  4. Step 4: Simplify right side
    249,541.38x = 48,968,997,112.58
  5. Step 5: Solve for x
    x = 48,968,997,112.58/249,541.38
  6. Step 6: Final answer
    x = 196,235.98

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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.