Home / 147,388.93-221,130.11-52,617.07

Finding the Fourth Proportional to 147,388.93, 221,130.11 and 52,617.07

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Solution

The fourth proportional to 147,388.93, 221,130.11 and 52,617.07 is: 78,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.93 : 221,130.11 = 52,617.07 : x
  2. Step 2: Convert to fraction form
    147,388.93/221,130.11 = 52,617.07/x
  3. Step 3: Cross multiply
    147,388.93x = 221,130.11 × 52,617.07
  4. Step 4: Simplify right side
    147,388.93x = 11,635,218,476.98
  5. Step 5: Solve for x
    x = 11,635,218,476.98/147,388.93
  6. Step 6: Final answer
    x = 78,942.28

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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.