Home / 245,133.51-338,275.02-136,244.60

Finding the Fourth Proportional to 245,133.51, 338,275.02 and 136,244.60

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Solution

The fourth proportional to 245,133.51, 338,275.02 and 136,244.60 is: 188,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,133.51 : 338,275.02 = 136,244.60 : x
  2. Step 2: Convert to fraction form
    245,133.51/338,275.02 = 136,244.60/x
  3. Step 3: Cross multiply
    245,133.51x = 338,275.02 × 136,244.60
  4. Step 4: Simplify right side
    245,133.51x = 46,088,143,098.52
  5. Step 5: Solve for x
    x = 46,088,143,098.52/245,133.51
  6. Step 6: Final answer
    x = 188,012.41

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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.