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Finding the Fourth Proportional to 161,145.60, 241,459.20 and 101,875.20

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Solution

The fourth proportional to 161,145.60, 241,459.20 and 101,875.20 is: 152,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,145.60 : 241,459.20 = 101,875.20 : x
  2. Step 2: Convert to fraction form
    161,145.60/241,459.20 = 101,875.20/x
  3. Step 3: Cross multiply
    161,145.60x = 241,459.20 × 101,875.20
  4. Step 4: Simplify right side
    161,145.60x = 24,598,704,291.84
  5. Step 5: Solve for x
    x = 24,598,704,291.84/161,145.60
  6. Step 6: Final answer
    x = 152,648.94

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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.