Home / 156,421.71-234,666.73-56,571.49

Finding the Fourth Proportional to 156,421.71, 234,666.73 and 56,571.49

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Solution

The fourth proportional to 156,421.71, 234,666.73 and 56,571.49 is: 84,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,421.71 : 234,666.73 = 56,571.49 : x
  2. Step 2: Convert to fraction form
    156,421.71/234,666.73 = 56,571.49/x
  3. Step 3: Cross multiply
    156,421.71x = 234,666.73 × 56,571.49
  4. Step 4: Simplify right side
    156,421.71x = 13,275,446,569.53
  5. Step 5: Solve for x
    x = 13,275,446,569.53/156,421.71
  6. Step 6: Final answer
    x = 84,869.59

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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.