Home / 164,389.20-246,875.40-127,040.10

Finding the Fourth Proportional to 164,389.20, 246,875.40 and 127,040.10

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Solution

The fourth proportional to 164,389.20, 246,875.40 and 127,040.10 is: 190,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,389.20 : 246,875.40 = 127,040.10 : x
  2. Step 2: Convert to fraction form
    164,389.20/246,875.40 = 127,040.10/x
  3. Step 3: Cross multiply
    164,389.20x = 246,875.40 × 127,040.10
  4. Step 4: Simplify right side
    164,389.20x = 31,363,075,503.54
  5. Step 5: Solve for x
    x = 31,363,075,503.54/164,389.20
  6. Step 6: Final answer
    x = 190,785.50

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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.