Home / 249,939.36-344,925-136,772.64

Finding the Fourth Proportional to 249,939.36, 344,925 and 136,772.64

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Solution

The fourth proportional to 249,939.36, 344,925 and 136,772.64 is: 188,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,939.36 : 344,925 = 136,772.64 : x
  2. Step 2: Convert to fraction form
    249,939.36/344,925 = 136,772.64/x
  3. Step 3: Cross multiply
    249,939.36x = 344,925 × 136,772.64
  4. Step 4: Simplify right side
    249,939.36x = 47,176,302,852.00
  5. Step 5: Solve for x
    x = 47,176,302,852.00/249,939.36
  6. Step 6: Final answer
    x = 188,750.99

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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.