Home / 249,843.94-344,784.63-136,669.12

Finding the Fourth Proportional to 249,843.94, 344,784.63 and 136,669.12

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Solution

The fourth proportional to 249,843.94, 344,784.63 and 136,669.12 is: 188,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,843.94 : 344,784.63 = 136,669.12 : x
  2. Step 2: Convert to fraction form
    249,843.94/344,784.63 = 136,669.12/x
  3. Step 3: Cross multiply
    249,843.94x = 344,784.63 × 136,669.12
  4. Step 4: Simplify right side
    249,843.94x = 47,121,411,622.17
  5. Step 5: Solve for x
    x = 47,121,411,622.17/249,843.94
  6. Step 6: Final answer
    x = 188,603.38

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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.