Home / 152,628.87-228,631.05-71,459.58

Finding the Fourth Proportional to 152,628.87, 228,631.05 and 71,459.58

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Solution

The fourth proportional to 152,628.87, 228,631.05 and 71,459.58 is: 107,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,628.87 : 228,631.05 = 71,459.58 : x
  2. Step 2: Convert to fraction form
    152,628.87/228,631.05 = 71,459.58/x
  3. Step 3: Cross multiply
    152,628.87x = 228,631.05 × 71,459.58
  4. Step 4: Simplify right side
    152,628.87x = 16,337,878,807.96
  5. Step 5: Solve for x
    x = 16,337,878,807.96/152,628.87
  6. Step 6: Final answer
    x = 107,043.17

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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.