Home / 133,007.32-183,526.86-76,421.80

Finding the Fourth Proportional to 133,007.32, 183,526.86 and 76,421.80

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Solution

The fourth proportional to 133,007.32, 183,526.86 and 76,421.80 is: 105,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007.32 : 183,526.86 = 76,421.80 : x
  2. Step 2: Convert to fraction form
    133,007.32/183,526.86 = 76,421.80/x
  3. Step 3: Cross multiply
    133,007.32x = 183,526.86 × 76,421.80
  4. Step 4: Simplify right side
    133,007.32x = 14,025,452,989.55
  5. Step 5: Solve for x
    x = 14,025,452,989.55/133,007.32
  6. Step 6: Final answer
    x = 105,448.73

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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.