Home / 150,415.02-225,573.31-70,428.23

Finding the Fourth Proportional to 150,415.02, 225,573.31 and 70,428.23

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Solution

The fourth proportional to 150,415.02, 225,573.31 and 70,428.23 is: 105,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,415.02 : 225,573.31 = 70,428.23 : x
  2. Step 2: Convert to fraction form
    150,415.02/225,573.31 = 70,428.23/x
  3. Step 3: Cross multiply
    150,415.02x = 225,573.31 × 70,428.23
  4. Step 4: Simplify right side
    150,415.02x = 15,886,727,830.67
  5. Step 5: Solve for x
    x = 15,886,727,830.67/150,415.02
  6. Step 6: Final answer
    x = 105,619.29

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1.5x scale

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.