Home / 112,298.49-168,671.29-70,253.01

Finding the Fourth Proportional to 112,298.49, 168,671.29 and 70,253.01

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Solution

The fourth proportional to 112,298.49, 168,671.29 and 70,253.01 is: 105,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.49 : 168,671.29 = 70,253.01 : x
  2. Step 2: Convert to fraction form
    112,298.49/168,671.29 = 70,253.01/x
  3. Step 3: Cross multiply
    112,298.49x = 168,671.29 × 70,253.01
  4. Step 4: Simplify right side
    112,298.49x = 11,849,664,804.09
  5. Step 5: Solve for x
    x = 11,849,664,804.09/112,298.49
  6. Step 6: Final answer
    x = 105,519.36

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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.