Home / 112,818.51-169,236.27-37,938.87

Finding the Fourth Proportional to 112,818.51, 169,236.27 and 37,938.87

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Solution

The fourth proportional to 112,818.51, 169,236.27 and 37,938.87 is: 56,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,818.51 : 169,236.27 = 37,938.87 : x
  2. Step 2: Convert to fraction form
    112,818.51/169,236.27 = 37,938.87/x
  3. Step 3: Cross multiply
    112,818.51x = 169,236.27 × 37,938.87
  4. Step 4: Simplify right side
    112,818.51x = 6,420,632,846.81
  5. Step 5: Solve for x
    x = 6,420,632,846.81/112,818.51
  6. Step 6: Final answer
    x = 56,911.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.