Home / 249,861.61-344,807.94-135,140.37

Finding the Fourth Proportional to 249,861.61, 344,807.94 and 135,140.37

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Solution

The fourth proportional to 249,861.61, 344,807.94 and 135,140.37 is: 186,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,861.61 : 344,807.94 = 135,140.37 : x
  2. Step 2: Convert to fraction form
    249,861.61/344,807.94 = 135,140.37/x
  3. Step 3: Cross multiply
    249,861.61x = 344,807.94 × 135,140.37
  4. Step 4: Simplify right side
    249,861.61x = 46,597,472,590.54
  5. Step 5: Solve for x
    x = 46,597,472,590.54/249,861.61
  6. Step 6: Final answer
    x = 186,493.13

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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.