Home / 152,280.69-228,416.28-72,376.18

Finding the Fourth Proportional to 152,280.69, 228,416.28 and 72,376.18

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Solution

The fourth proportional to 152,280.69, 228,416.28 and 72,376.18 is: 108,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,280.69 : 228,416.28 = 72,376.18 : x
  2. Step 2: Convert to fraction form
    152,280.69/228,416.28 = 72,376.18/x
  3. Step 3: Cross multiply
    152,280.69x = 228,416.28 × 72,376.18
  4. Step 4: Simplify right side
    152,280.69x = 16,531,897,796.21
  5. Step 5: Solve for x
    x = 16,531,897,796.21/152,280.69
  6. Step 6: Final answer
    x = 108,562.01

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1.5x scale

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.