Home / 98,848.60-148,272.90-87,962.20

Finding the Fourth Proportional to 98,848.60, 148,272.90 and 87,962.20

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Solution

The fourth proportional to 98,848.60, 148,272.90 and 87,962.20 is: 131,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,848.60 : 148,272.90 = 87,962.20 : x
  2. Step 2: Convert to fraction form
    98,848.60/148,272.90 = 87,962.20/x
  3. Step 3: Cross multiply
    98,848.60x = 148,272.90 × 87,962.20
  4. Step 4: Simplify right side
    98,848.60x = 13,042,410,484.38
  5. Step 5: Solve for x
    x = 13,042,410,484.38/98,848.60
  6. Step 6: Final answer
    x = 131,943.30

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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.