Home / 154,621.60-232,009.20-61,130.40

Finding the Fourth Proportional to 154,621.60, 232,009.20 and 61,130.40

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Solution

The fourth proportional to 154,621.60, 232,009.20 and 61,130.40 is: 91,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621.60 : 232,009.20 = 61,130.40 : x
  2. Step 2: Convert to fraction form
    154,621.60/232,009.20 = 61,130.40/x
  3. Step 3: Cross multiply
    154,621.60x = 232,009.20 × 61,130.40
  4. Step 4: Simplify right side
    154,621.60x = 14,182,815,199.68
  5. Step 5: Solve for x
    x = 14,182,815,199.68/154,621.60
  6. Step 6: Final answer
    x = 91,725.96

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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.