Home / 152,900.47-211,033.70-88,372.45

Finding the Fourth Proportional to 152,900.47, 211,033.70 and 88,372.45

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Solution

The fourth proportional to 152,900.47, 211,033.70 and 88,372.45 is: 121,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,900.47 : 211,033.70 = 88,372.45 : x
  2. Step 2: Convert to fraction form
    152,900.47/211,033.70 = 88,372.45/x
  3. Step 3: Cross multiply
    152,900.47x = 211,033.70 × 88,372.45
  4. Step 4: Simplify right side
    152,900.47x = 18,649,565,101.57
  5. Step 5: Solve for x
    x = 18,649,565,101.57/152,900.47
  6. Step 6: Final answer
    x = 121,971.93

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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.