Home / 152,384.35-210,270.48-87,856.00

Finding the Fourth Proportional to 152,384.35, 210,270.48 and 87,856.00

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Solution

The fourth proportional to 152,384.35, 210,270.48 and 87,856.00 is: 121,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,384.35 : 210,270.48 = 87,856.00 : x
  2. Step 2: Convert to fraction form
    152,384.35/210,270.48 = 87,856.00/x
  3. Step 3: Cross multiply
    152,384.35x = 210,270.48 × 87,856.00
  4. Step 4: Simplify right side
    152,384.35x = 18,473,524,408.40
  5. Step 5: Solve for x
    x = 18,473,524,408.40/152,384.35
  6. Step 6: Final answer
    x = 121,229.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.