Home / 173,261.60-239,089.76-100,658.06

Finding the Fourth Proportional to 173,261.60, 239,089.76 and 100,658.06

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Solution

The fourth proportional to 173,261.60, 239,089.76 and 100,658.06 is: 138,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,261.60 : 239,089.76 = 100,658.06 : x
  2. Step 2: Convert to fraction form
    173,261.60/239,089.76 = 100,658.06/x
  3. Step 3: Cross multiply
    173,261.60x = 239,089.76 × 100,658.06
  4. Step 4: Simplify right side
    173,261.60x = 24,066,311,407.47
  5. Step 5: Solve for x
    x = 24,066,311,407.47/173,261.60
  6. Step 6: Final answer
    x = 138,901.59

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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.