Home / 126,898.60-175,127.16-72,466.84

Finding the Fourth Proportional to 126,898.60, 175,127.16 and 72,466.84

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Solution

The fourth proportional to 126,898.60, 175,127.16 and 72,466.84 is: 100,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,898.60 : 175,127.16 = 72,466.84 : x
  2. Step 2: Convert to fraction form
    126,898.60/175,127.16 = 72,466.84/x
  3. Step 3: Cross multiply
    126,898.60x = 175,127.16 × 72,466.84
  4. Step 4: Simplify right side
    126,898.60x = 12,690,911,883.37
  5. Step 5: Solve for x
    x = 12,690,911,883.37/126,898.60
  6. Step 6: Final answer
    x = 100,008.29

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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.