Home / 142,915.04-197,177.32-82,477.68

Finding the Fourth Proportional to 142,915.04, 197,177.32 and 82,477.68

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Solution

The fourth proportional to 142,915.04, 197,177.32 and 82,477.68 is: 113,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,915.04 : 197,177.32 = 82,477.68 : x
  2. Step 2: Convert to fraction form
    142,915.04/197,177.32 = 82,477.68/x
  3. Step 3: Cross multiply
    142,915.04x = 197,177.32 × 82,477.68
  4. Step 4: Simplify right side
    142,915.04x = 16,262,727,902.22
  5. Step 5: Solve for x
    x = 16,262,727,902.22/142,915.04
  6. Step 6: Final answer
    x = 113,792.98

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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.