Home / 112,345.08-155,035.20-62,043

Finding the Fourth Proportional to 112,345.08, 155,035.20 and 62,043

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Solution

The fourth proportional to 112,345.08, 155,035.20 and 62,043 is: 85,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,345.08 : 155,035.20 = 62,043 : x
  2. Step 2: Convert to fraction form
    112,345.08/155,035.20 = 62,043/x
  3. Step 3: Cross multiply
    112,345.08x = 155,035.20 × 62,043
  4. Step 4: Simplify right side
    112,345.08x = 9,618,848,913.60
  5. Step 5: Solve for x
    x = 9,618,848,913.60/112,345.08
  6. Step 6: Final answer
    x = 85,618.78

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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.