Home / 99,272.45-148,824.95-43,070.20

Finding the Fourth Proportional to 99,272.45, 148,824.95 and 43,070.20

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Solution

The fourth proportional to 99,272.45, 148,824.95 and 43,070.20 is: 64,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.45 : 148,824.95 = 43,070.20 : x
  2. Step 2: Convert to fraction form
    99,272.45/148,824.95 = 43,070.20/x
  3. Step 3: Cross multiply
    99,272.45x = 148,824.95 × 43,070.20
  4. Step 4: Simplify right side
    99,272.45x = 6,409,919,774.08
  5. Step 5: Solve for x
    x = 6,409,919,774.08/99,272.45
  6. Step 6: Final answer
    x = 64,568.97

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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.