Home / 154,809.32-213,702.18-104,576.36

Finding the Fourth Proportional to 154,809.32, 213,702.18 and 104,576.36

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Solution

The fourth proportional to 154,809.32, 213,702.18 and 104,576.36 is: 144,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809.32 : 213,702.18 = 104,576.36 : x
  2. Step 2: Convert to fraction form
    154,809.32/213,702.18 = 104,576.36/x
  3. Step 3: Cross multiply
    154,809.32x = 213,702.18 × 104,576.36
  4. Step 4: Simplify right side
    154,809.32x = 22,348,196,108.46
  5. Step 5: Solve for x
    x = 22,348,196,108.46/154,809.32
  6. Step 6: Final answer
    x = 144,359.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.