Home / 154,820.32-213,717.36-104,587.36

Finding the Fourth Proportional to 154,820.32, 213,717.36 and 104,587.36

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Solution

The fourth proportional to 154,820.32, 213,717.36 and 104,587.36 is: 144,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,820.32 : 213,717.36 = 104,587.36 : x
  2. Step 2: Convert to fraction form
    154,820.32/213,717.36 = 104,587.36/x
  3. Step 3: Cross multiply
    154,820.32x = 213,717.36 × 104,587.36
  4. Step 4: Simplify right side
    154,820.32x = 22,352,134,468.57
  5. Step 5: Solve for x
    x = 22,352,134,468.57/154,820.32
  6. Step 6: Final answer
    x = 144,374.68

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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.