Home / 249,702.12-344,564.26-142,263.72

Finding the Fourth Proportional to 249,702.12, 344,564.26 and 142,263.72

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Solution

The fourth proportional to 249,702.12, 344,564.26 and 142,263.72 is: 196,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,702.12 : 344,564.26 = 142,263.72 : x
  2. Step 2: Convert to fraction form
    249,702.12/344,564.26 = 142,263.72/x
  3. Step 3: Cross multiply
    249,702.12x = 344,564.26 × 142,263.72
  4. Step 4: Simplify right side
    249,702.12x = 49,018,993,406.65
  5. Step 5: Solve for x
    x = 49,018,993,406.65/249,702.12
  6. Step 6: Final answer
    x = 196,309.88

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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.