Home / 154,821.60-232,448.40-99,007.20

Finding the Fourth Proportional to 154,821.60, 232,448.40 and 99,007.20

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Solution

The fourth proportional to 154,821.60, 232,448.40 and 99,007.20 is: 148,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,821.60 : 232,448.40 = 99,007.20 : x
  2. Step 2: Convert to fraction form
    154,821.60/232,448.40 = 99,007.20/x
  3. Step 3: Cross multiply
    154,821.60x = 232,448.40 × 99,007.20
  4. Step 4: Simplify right side
    154,821.60x = 23,014,065,228.48
  5. Step 5: Solve for x
    x = 23,014,065,228.48/154,821.60
  6. Step 6: Final answer
    x = 148,648.93

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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.