Home / 112,324.70-154,970.54-72,060.20

Finding the Fourth Proportional to 112,324.70, 154,970.54 and 72,060.20

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Solution

The fourth proportional to 112,324.70, 154,970.54 and 72,060.20 is: 99,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,324.70 : 154,970.54 = 72,060.20 : x
  2. Step 2: Convert to fraction form
    112,324.70/154,970.54 = 72,060.20/x
  3. Step 3: Cross multiply
    112,324.70x = 154,970.54 × 72,060.20
  4. Step 4: Simplify right side
    112,324.70x = 11,167,208,106.51
  5. Step 5: Solve for x
    x = 11,167,208,106.51/112,324.70
  6. Step 6: Final answer
    x = 99,418.99

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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.