Home / 112,051.29-154,630.81-61,064.07

Finding the Fourth Proportional to 112,051.29, 154,630.81 and 61,064.07

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Solution

The fourth proportional to 112,051.29, 154,630.81 and 61,064.07 is: 84,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,051.29 : 154,630.81 = 61,064.07 : x
  2. Step 2: Convert to fraction form
    112,051.29/154,630.81 = 61,064.07/x
  3. Step 3: Cross multiply
    112,051.29x = 154,630.81 × 61,064.07
  4. Step 4: Simplify right side
    112,051.29x = 9,442,386,606.00
  5. Step 5: Solve for x
    x = 9,442,386,606.00/112,051.29
  6. Step 6: Final answer
    x = 84,268.43

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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.