Home / 147,056.49-220,477.20-47,159.82

Finding the Fourth Proportional to 147,056.49, 220,477.20 and 47,159.82

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Solution

The fourth proportional to 147,056.49, 220,477.20 and 47,159.82 is: 70,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,056.49 : 220,477.20 = 47,159.82 : x
  2. Step 2: Convert to fraction form
    147,056.49/220,477.20 = 47,159.82/x
  3. Step 3: Cross multiply
    147,056.49x = 220,477.20 × 47,159.82
  4. Step 4: Simplify right side
    147,056.49x = 10,397,665,066.10
  5. Step 5: Solve for x
    x = 10,397,665,066.10/147,056.49
  6. Step 6: Final answer
    x = 70,705.24

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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.