Home / 152,383.80-228,834.90-112,985.40

Finding the Fourth Proportional to 152,383.80, 228,834.90 and 112,985.40

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Solution

The fourth proportional to 152,383.80, 228,834.90 and 112,985.40 is: 169,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,383.80 : 228,834.90 = 112,985.40 : x
  2. Step 2: Convert to fraction form
    152,383.80/228,834.90 = 112,985.40/x
  3. Step 3: Cross multiply
    152,383.80x = 228,834.90 × 112,985.40
  4. Step 4: Simplify right side
    152,383.80x = 25,855,002,710.46
  5. Step 5: Solve for x
    x = 25,855,002,710.46/152,383.80
  6. Step 6: Final answer
    x = 169,670.28

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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.