Home / 213,026.04-293,943.60-121,136.40

Finding the Fourth Proportional to 213,026.04, 293,943.60 and 121,136.40

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Solution

The fourth proportional to 213,026.04, 293,943.60 and 121,136.40 is: 167,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,026.04 : 293,943.60 = 121,136.40 : x
  2. Step 2: Convert to fraction form
    213,026.04/293,943.60 = 121,136.40/x
  3. Step 3: Cross multiply
    213,026.04x = 293,943.60 × 121,136.40
  4. Step 4: Simplify right side
    213,026.04x = 35,607,269,507.04
  5. Step 5: Solve for x
    x = 35,607,269,507.04/213,026.04
  6. Step 6: Final answer
    x = 167,149.84

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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.