Home / 133,083.60-183,662.28-76,500.24

Finding the Fourth Proportional to 133,083.60, 183,662.28 and 76,500.24

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Solution

The fourth proportional to 133,083.60, 183,662.28 and 76,500.24 is: 105,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,083.60 : 183,662.28 = 76,500.24 : x
  2. Step 2: Convert to fraction form
    133,083.60/183,662.28 = 76,500.24/x
  3. Step 3: Cross multiply
    133,083.60x = 183,662.28 × 76,500.24
  4. Step 4: Simplify right side
    133,083.60x = 14,050,208,498.95
  5. Step 5: Solve for x
    x = 14,050,208,498.95/133,083.60
  6. Step 6: Final answer
    x = 105,574.30

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1.5x scale

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.