Home / 112,933.15-169,427.67-79,718.29

Finding the Fourth Proportional to 112,933.15, 169,427.67 and 79,718.29

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Solution

The fourth proportional to 112,933.15, 169,427.67 and 79,718.29 is: 119,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.15 : 169,427.67 = 79,718.29 : x
  2. Step 2: Convert to fraction form
    112,933.15/169,427.67 = 79,718.29/x
  3. Step 3: Cross multiply
    112,933.15x = 169,427.67 × 79,718.29
  4. Step 4: Simplify right side
    112,933.15x = 13,506,484,131.08
  5. Step 5: Solve for x
    x = 13,506,484,131.08/112,933.15
  6. Step 6: Final answer
    x = 119,597.16

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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.