Home / 112,335.60-168,456.54-45,730.50

Finding the Fourth Proportional to 112,335.60, 168,456.54 and 45,730.50

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Solution

The fourth proportional to 112,335.60, 168,456.54 and 45,730.50 is: 68,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335.60 : 168,456.54 = 45,730.50 : x
  2. Step 2: Convert to fraction form
    112,335.60/168,456.54 = 45,730.50/x
  3. Step 3: Cross multiply
    112,335.60x = 168,456.54 × 45,730.50
  4. Step 4: Simplify right side
    112,335.60x = 7,703,601,802.47
  5. Step 5: Solve for x
    x = 7,703,601,802.47/112,335.60
  6. Step 6: Final answer
    x = 68,576.67

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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.