Home / 145,746.76-201,125.28-82,090.48

Finding the Fourth Proportional to 145,746.76, 201,125.28 and 82,090.48

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Solution

The fourth proportional to 145,746.76, 201,125.28 and 82,090.48 is: 113,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,746.76 : 201,125.28 = 82,090.48 : x
  2. Step 2: Convert to fraction form
    145,746.76/201,125.28 = 82,090.48/x
  3. Step 3: Cross multiply
    145,746.76x = 201,125.28 × 82,090.48
  4. Step 4: Simplify right side
    145,746.76x = 16,510,470,775.33
  5. Step 5: Solve for x
    x = 16,510,470,775.33/145,746.76
  6. Step 6: Final answer
    x = 113,281.91

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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.