Home / 249,945-344,924.10-136,767.76

Finding the Fourth Proportional to 249,945, 344,924.10 and 136,767.76

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Solution

The fourth proportional to 249,945, 344,924.10 and 136,767.76 is: 188,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,945 : 344,924.10 = 136,767.76 : x
  2. Step 2: Convert to fraction form
    249,945/344,924.10 = 136,767.76/x
  3. Step 3: Cross multiply
    249,945x = 344,924.10 × 136,767.76
  4. Step 4: Simplify right side
    249,945x = 47,174,496,527.02
  5. Step 5: Solve for x
    x = 47,174,496,527.02/249,945
  6. Step 6: Final answer
    x = 188,739.51

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1.5x scale

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.