Home / 112,287.66-154,952.91-61,985.58

Finding the Fourth Proportional to 112,287.66, 154,952.91 and 61,985.58

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Solution

The fourth proportional to 112,287.66, 154,952.91 and 61,985.58 is: 85,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.66 : 154,952.91 = 61,985.58 : x
  2. Step 2: Convert to fraction form
    112,287.66/154,952.91 = 61,985.58/x
  3. Step 3: Cross multiply
    112,287.66x = 154,952.91 × 61,985.58
  4. Step 4: Simplify right side
    112,287.66x = 9,604,845,999.04
  5. Step 5: Solve for x
    x = 9,604,845,999.04/112,287.66
  6. Step 6: Final answer
    x = 85,537.86

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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.