Home / 152,056.72-228,063.48-52,215.28

Finding the Fourth Proportional to 152,056.72, 228,063.48 and 52,215.28

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Solution

The fourth proportional to 152,056.72, 228,063.48 and 52,215.28 is: 78,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,056.72 : 228,063.48 = 52,215.28 : x
  2. Step 2: Convert to fraction form
    152,056.72/228,063.48 = 52,215.28/x
  3. Step 3: Cross multiply
    152,056.72x = 228,063.48 × 52,215.28
  4. Step 4: Simplify right side
    152,056.72x = 11,908,398,465.97
  5. Step 5: Solve for x
    x = 11,908,398,465.97/152,056.72
  6. Step 6: Final answer
    x = 78,315.50

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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.