Home / 150,030.64-225,156.72-71,145.13

Finding the Fourth Proportional to 150,030.64, 225,156.72 and 71,145.13

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Solution

The fourth proportional to 150,030.64, 225,156.72 and 71,145.13 is: 106,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,030.64 : 225,156.72 = 71,145.13 : x
  2. Step 2: Convert to fraction form
    150,030.64/225,156.72 = 71,145.13/x
  3. Step 3: Cross multiply
    150,030.64x = 225,156.72 × 71,145.13
  4. Step 4: Simplify right side
    150,030.64x = 16,018,804,114.77
  5. Step 5: Solve for x
    x = 16,018,804,114.77/150,030.64
  6. Step 6: Final answer
    x = 106,770.22

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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.