Home / 152,459.60-228,689.40-102,693.20

Finding the Fourth Proportional to 152,459.60, 228,689.40 and 102,693.20

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Solution

The fourth proportional to 152,459.60, 228,689.40 and 102,693.20 is: 154,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,459.60 : 228,689.40 = 102,693.20 : x
  2. Step 2: Convert to fraction form
    152,459.60/228,689.40 = 102,693.20/x
  3. Step 3: Cross multiply
    152,459.60x = 228,689.40 × 102,693.20
  4. Step 4: Simplify right side
    152,459.60x = 23,484,846,292.08
  5. Step 5: Solve for x
    x = 23,484,846,292.08/152,459.60
  6. Step 6: Final answer
    x = 154,039.80

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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.