Home / 152,742.89-228,807.75-77,860.01

Finding the Fourth Proportional to 152,742.89, 228,807.75 and 77,860.01

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Solution

The fourth proportional to 152,742.89, 228,807.75 and 77,860.01 is: 116,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,742.89 : 228,807.75 = 77,860.01 : x
  2. Step 2: Convert to fraction form
    152,742.89/228,807.75 = 77,860.01/x
  3. Step 3: Cross multiply
    152,742.89x = 228,807.75 × 77,860.01
  4. Step 4: Simplify right side
    152,742.89x = 17,814,973,703.08
  5. Step 5: Solve for x
    x = 17,814,973,703.08/152,742.89
  6. Step 6: Final answer
    x = 116,633.73

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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.