Home / 133,000.64-183,412.84-89,491.24

Finding the Fourth Proportional to 133,000.64, 183,412.84 and 89,491.24

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Solution

The fourth proportional to 133,000.64, 183,412.84 and 89,491.24 is: 123,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,000.64 : 183,412.84 = 89,491.24 : x
  2. Step 2: Convert to fraction form
    133,000.64/183,412.84 = 89,491.24/x
  3. Step 3: Cross multiply
    133,000.64x = 183,412.84 × 89,491.24
  4. Step 4: Simplify right side
    133,000.64x = 16,413,842,483.52
  5. Step 5: Solve for x
    x = 16,413,842,483.52/133,000.64
  6. Step 6: Final answer
    x = 123,411.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.