Home / 141,434.42-210,819.28-130,084.21

Finding the Fourth Proportional to 141,434.42, 210,819.28 and 130,084.21

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Solution

The fourth proportional to 141,434.42, 210,819.28 and 130,084.21 is: 193,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,434.42 : 210,819.28 = 130,084.21 : x
  2. Step 2: Convert to fraction form
    141,434.42/210,819.28 = 130,084.21/x
  3. Step 3: Cross multiply
    141,434.42x = 210,819.28 × 130,084.21
  4. Step 4: Simplify right side
    141,434.42x = 27,424,259,491.57
  5. Step 5: Solve for x
    x = 27,424,259,491.57/141,434.42
  6. Step 6: Final answer
    x = 193,900.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.