Home / 152,829.80-229,244.70-42,021.80

Finding the Fourth Proportional to 152,829.80, 229,244.70 and 42,021.80

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Solution

The fourth proportional to 152,829.80, 229,244.70 and 42,021.80 is: 63,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,829.80 : 229,244.70 = 42,021.80 : x
  2. Step 2: Convert to fraction form
    152,829.80/229,244.70 = 42,021.80/x
  3. Step 3: Cross multiply
    152,829.80x = 229,244.70 × 42,021.80
  4. Step 4: Simplify right side
    152,829.80x = 9,633,274,934.46
  5. Step 5: Solve for x
    x = 9,633,274,934.46/152,829.80
  6. Step 6: Final answer
    x = 63,032.70

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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.