Home / 147,856.05-204,041.40-79,873.02

Finding the Fourth Proportional to 147,856.05, 204,041.40 and 79,873.02

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Solution

The fourth proportional to 147,856.05, 204,041.40 and 79,873.02 is: 110,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,856.05 : 204,041.40 = 79,873.02 : x
  2. Step 2: Convert to fraction form
    147,856.05/204,041.40 = 79,873.02/x
  3. Step 3: Cross multiply
    147,856.05x = 204,041.40 × 79,873.02
  4. Step 4: Simplify right side
    147,856.05x = 16,297,402,823.03
  5. Step 5: Solve for x
    x = 16,297,402,823.03/147,856.05
  6. Step 6: Final answer
    x = 110,224.80

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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.