Home / 142,174.37-213,260.95-57,915.74

Finding the Fourth Proportional to 142,174.37, 213,260.95 and 57,915.74

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Solution

The fourth proportional to 142,174.37, 213,260.95 and 57,915.74 is: 86,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,174.37 : 213,260.95 = 57,915.74 : x
  2. Step 2: Convert to fraction form
    142,174.37/213,260.95 = 57,915.74/x
  3. Step 3: Cross multiply
    142,174.37x = 213,260.95 × 57,915.74
  4. Step 4: Simplify right side
    142,174.37x = 12,351,166,337.90
  5. Step 5: Solve for x
    x = 12,351,166,337.90/142,174.37
  6. Step 6: Final answer
    x = 86,873.37

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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.