Home / 142,488.60-213,732.90-141,504.45

Finding the Fourth Proportional to 142,488.60, 213,732.90 and 141,504.45

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Solution

The fourth proportional to 142,488.60, 213,732.90 and 141,504.45 is: 212,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,488.60 : 213,732.90 = 141,504.45 : x
  2. Step 2: Convert to fraction form
    142,488.60/213,732.90 = 141,504.45/x
  3. Step 3: Cross multiply
    142,488.60x = 213,732.90 × 141,504.45
  4. Step 4: Simplify right side
    142,488.60x = 30,244,156,461.41
  5. Step 5: Solve for x
    x = 30,244,156,461.41/142,488.60
  6. Step 6: Final answer
    x = 212,256.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.