Home / 101,985.59-153,006.05-30,905.35

Finding the Fourth Proportional to 101,985.59, 153,006.05 and 30,905.35

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Solution

The fourth proportional to 101,985.59, 153,006.05 and 30,905.35 is: 46,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,985.59 : 153,006.05 = 30,905.35 : x
  2. Step 2: Convert to fraction form
    101,985.59/153,006.05 = 30,905.35/x
  3. Step 3: Cross multiply
    101,985.59x = 153,006.05 × 30,905.35
  4. Step 4: Simplify right side
    101,985.59x = 4,728,705,222.12
  5. Step 5: Solve for x
    x = 4,728,705,222.12/101,985.59
  6. Step 6: Final answer
    x = 46,366.41

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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.