Home / 147,457.68-221,212.44-47,639.76

Finding the Fourth Proportional to 147,457.68, 221,212.44 and 47,639.76

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Solution

The fourth proportional to 147,457.68, 221,212.44 and 47,639.76 is: 71,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,457.68 : 221,212.44 = 47,639.76 : x
  2. Step 2: Convert to fraction form
    147,457.68/221,212.44 = 47,639.76/x
  3. Step 3: Cross multiply
    147,457.68x = 221,212.44 × 47,639.76
  4. Step 4: Simplify right side
    147,457.68x = 10,538,507,550.61
  5. Step 5: Solve for x
    x = 10,538,507,550.61/147,457.68
  6. Step 6: Final answer
    x = 71,468.01

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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.