Home / 245,108.70-338,243.18-136,210.14

Finding the Fourth Proportional to 245,108.70, 338,243.18 and 136,210.14

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Solution

The fourth proportional to 245,108.70, 338,243.18 and 136,210.14 is: 187,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,108.70 : 338,243.18 = 136,210.14 : x
  2. Step 2: Convert to fraction form
    245,108.70/338,243.18 = 136,210.14/x
  3. Step 3: Cross multiply
    245,108.70x = 338,243.18 × 136,210.14
  4. Step 4: Simplify right side
    245,108.70x = 46,072,150,220.79
  5. Step 5: Solve for x
    x = 46,072,150,220.79/245,108.70
  6. Step 6: Final answer
    x = 187,966.20

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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.