Home / 163,859.76-226,077.48-100,132.20

Finding the Fourth Proportional to 163,859.76, 226,077.48 and 100,132.20

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Solution

The fourth proportional to 163,859.76, 226,077.48 and 100,132.20 is: 138,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,859.76 : 226,077.48 = 100,132.20 : x
  2. Step 2: Convert to fraction form
    163,859.76/226,077.48 = 100,132.20/x
  3. Step 3: Cross multiply
    163,859.76x = 226,077.48 × 100,132.20
  4. Step 4: Simplify right side
    163,859.76x = 22,637,635,442.86
  5. Step 5: Solve for x
    x = 22,637,635,442.86/163,859.76
  6. Step 6: Final answer
    x = 138,152.50

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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.