Home / 245,725.04-339,111.47-138,302.03

Finding the Fourth Proportional to 245,725.04, 339,111.47 and 138,302.03

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Solution

The fourth proportional to 245,725.04, 339,111.47 and 138,302.03 is: 190,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,725.04 : 339,111.47 = 138,302.03 : x
  2. Step 2: Convert to fraction form
    245,725.04/339,111.47 = 138,302.03/x
  3. Step 3: Cross multiply
    245,725.04x = 339,111.47 × 138,302.03
  4. Step 4: Simplify right side
    245,725.04x = 46,899,804,697.28
  5. Step 5: Solve for x
    x = 46,899,804,697.28/245,725.04
  6. Step 6: Final answer
    x = 190,862.94

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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.