Home / 146,962.08-220,409.28-72,007.20

Finding the Fourth Proportional to 146,962.08, 220,409.28 and 72,007.20

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Solution

The fourth proportional to 146,962.08, 220,409.28 and 72,007.20 is: 107,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,962.08 : 220,409.28 = 72,007.20 : x
  2. Step 2: Convert to fraction form
    146,962.08/220,409.28 = 72,007.20/x
  3. Step 3: Cross multiply
    146,962.08x = 220,409.28 × 72,007.20
  4. Step 4: Simplify right side
    146,962.08x = 15,871,055,106.82
  5. Step 5: Solve for x
    x = 15,871,055,106.82/146,962.08
  6. Step 6: Final answer
    x = 107,994.22

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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.