Home / 155,328.30-232,844.79-99,010.35

Finding the Fourth Proportional to 155,328.30, 232,844.79 and 99,010.35

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Solution

The fourth proportional to 155,328.30, 232,844.79 and 99,010.35 is: 148,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,328.30 : 232,844.79 = 99,010.35 : x
  2. Step 2: Convert to fraction form
    155,328.30/232,844.79 = 99,010.35/x
  3. Step 3: Cross multiply
    155,328.30x = 232,844.79 × 99,010.35
  4. Step 4: Simplify right side
    155,328.30x = 23,054,044,524.87
  5. Step 5: Solve for x
    x = 23,054,044,524.87/155,328.30
  6. Step 6: Final answer
    x = 148,421.41

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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.