Home / 152,457.63-228,895.91-77,628.05

Finding the Fourth Proportional to 152,457.63, 228,895.91 and 77,628.05

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Solution

The fourth proportional to 152,457.63, 228,895.91 and 77,628.05 is: 116,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,457.63 : 228,895.91 = 77,628.05 : x
  2. Step 2: Convert to fraction form
    152,457.63/228,895.91 = 77,628.05/x
  3. Step 3: Cross multiply
    152,457.63x = 228,895.91 × 77,628.05
  4. Step 4: Simplify right side
    152,457.63x = 17,768,741,613.66
  5. Step 5: Solve for x
    x = 17,768,741,613.66/152,457.63
  6. Step 6: Final answer
    x = 116,548.72

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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.