Home / 142,916.50-214,340.12-48,122.20

Finding the Fourth Proportional to 142,916.50, 214,340.12 and 48,122.20

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Solution

The fourth proportional to 142,916.50, 214,340.12 and 48,122.20 is: 72,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,916.50 : 214,340.12 = 48,122.20 : x
  2. Step 2: Convert to fraction form
    142,916.50/214,340.12 = 48,122.20/x
  3. Step 3: Cross multiply
    142,916.50x = 214,340.12 × 48,122.20
  4. Step 4: Simplify right side
    142,916.50x = 10,314,518,601.12
  5. Step 5: Solve for x
    x = 10,314,518,601.12/142,916.50
  6. Step 6: Final answer
    x = 72,171.64

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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.