Home / 112,227.63-154,888.50-64,490.28

Finding the Fourth Proportional to 112,227.63, 154,888.50 and 64,490.28

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Solution

The fourth proportional to 112,227.63, 154,888.50 and 64,490.28 is: 89,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,227.63 : 154,888.50 = 64,490.28 : x
  2. Step 2: Convert to fraction form
    112,227.63/154,888.50 = 64,490.28/x
  3. Step 3: Cross multiply
    112,227.63x = 154,888.50 × 64,490.28
  4. Step 4: Simplify right side
    112,227.63x = 9,988,802,733.78
  5. Step 5: Solve for x
    x = 9,988,802,733.78/112,227.63
  6. Step 6: Final answer
    x = 89,004.84

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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.