Home / 106,501.21-159,618.16-56,457.79

Finding the Fourth Proportional to 106,501.21, 159,618.16 and 56,457.79

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Solution

The fourth proportional to 106,501.21, 159,618.16 and 56,457.79 is: 84,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,501.21 : 159,618.16 = 56,457.79 : x
  2. Step 2: Convert to fraction form
    106,501.21/159,618.16 = 56,457.79/x
  3. Step 3: Cross multiply
    106,501.21x = 159,618.16 × 56,457.79
  4. Step 4: Simplify right side
    106,501.21x = 9,011,688,557.47
  5. Step 5: Solve for x
    x = 9,011,688,557.47/106,501.21
  6. Step 6: Final answer
    x = 84,615.83

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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.