Home / 154,749.10-232,108.09-42,440.61

Finding the Fourth Proportional to 154,749.10, 232,108.09 and 42,440.61

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Solution

The fourth proportional to 154,749.10, 232,108.09 and 42,440.61 is: 63,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,749.10 : 232,108.09 = 42,440.61 : x
  2. Step 2: Convert to fraction form
    154,749.10/232,108.09 = 42,440.61/x
  3. Step 3: Cross multiply
    154,749.10x = 232,108.09 × 42,440.61
  4. Step 4: Simplify right side
    154,749.10x = 9,850,808,384.23
  5. Step 5: Solve for x
    x = 9,850,808,384.23/154,749.10
  6. Step 6: Final answer
    x = 63,656.64

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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.