Home / 152,910.18-211,008.84-84,931.53

Finding the Fourth Proportional to 152,910.18, 211,008.84 and 84,931.53

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Solution

The fourth proportional to 152,910.18, 211,008.84 and 84,931.53 is: 117,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,910.18 : 211,008.84 = 84,931.53 : x
  2. Step 2: Convert to fraction form
    152,910.18/211,008.84 = 84,931.53/x
  3. Step 3: Cross multiply
    152,910.18x = 211,008.84 × 84,931.53
  4. Step 4: Simplify right side
    152,910.18x = 17,921,303,624.73
  5. Step 5: Solve for x
    x = 17,921,303,624.73/152,910.18
  6. Step 6: Final answer
    x = 117,201.51

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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.