Home / 216,736.94-299,127.12-121,250.10

Finding the Fourth Proportional to 216,736.94, 299,127.12 and 121,250.10

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Solution

The fourth proportional to 216,736.94, 299,127.12 and 121,250.10 is: 167,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,736.94 : 299,127.12 = 121,250.10 : x
  2. Step 2: Convert to fraction form
    216,736.94/299,127.12 = 121,250.10/x
  3. Step 3: Cross multiply
    216,736.94x = 299,127.12 × 121,250.10
  4. Step 4: Simplify right side
    216,736.94x = 36,269,193,212.71
  5. Step 5: Solve for x
    x = 36,269,193,212.71/216,736.94
  6. Step 6: Final answer
    x = 167,342.00

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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.