Home / 212,510.54-293,255.08-121,801.47

Finding the Fourth Proportional to 212,510.54, 293,255.08 and 121,801.47

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Solution

The fourth proportional to 212,510.54, 293,255.08 and 121,801.47 is: 168,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,510.54 : 293,255.08 = 121,801.47 : x
  2. Step 2: Convert to fraction form
    212,510.54/293,255.08 = 121,801.47/x
  3. Step 3: Cross multiply
    212,510.54x = 293,255.08 × 121,801.47
  4. Step 4: Simplify right side
    212,510.54x = 35,718,899,524.46
  5. Step 5: Solve for x
    x = 35,718,899,524.46/212,510.54
  6. Step 6: Final answer
    x = 168,080.61

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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.