Home / 154,670.40-232,005.60-147,412.80

Finding the Fourth Proportional to 154,670.40, 232,005.60 and 147,412.80

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Solution

The fourth proportional to 154,670.40, 232,005.60 and 147,412.80 is: 221,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,670.40 : 232,005.60 = 147,412.80 : x
  2. Step 2: Convert to fraction form
    154,670.40/232,005.60 = 147,412.80/x
  3. Step 3: Cross multiply
    154,670.40x = 232,005.60 × 147,412.80
  4. Step 4: Simplify right side
    154,670.40x = 34,200,595,111.68
  5. Step 5: Solve for x
    x = 34,200,595,111.68/154,670.40
  6. Step 6: Final answer
    x = 221,119.20

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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.