Home / 164,851.20-247,568.40-127,502.10

Finding the Fourth Proportional to 164,851.20, 247,568.40 and 127,502.10

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Solution

The fourth proportional to 164,851.20, 247,568.40 and 127,502.10 is: 191,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,851.20 : 247,568.40 = 127,502.10 : x
  2. Step 2: Convert to fraction form
    164,851.20/247,568.40 = 127,502.10/x
  3. Step 3: Cross multiply
    164,851.20x = 247,568.40 × 127,502.10
  4. Step 4: Simplify right side
    164,851.20x = 31,565,490,893.64
  5. Step 5: Solve for x
    x = 31,565,490,893.64/164,851.20
  6. Step 6: Final answer
    x = 191,478.68

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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.