Home / 112,973.96-155,898.80-61,985.54

Finding the Fourth Proportional to 112,973.96, 155,898.80 and 61,985.54

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Solution

The fourth proportional to 112,973.96, 155,898.80 and 61,985.54 is: 85,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.96 : 155,898.80 = 61,985.54 : x
  2. Step 2: Convert to fraction form
    112,973.96/155,898.80 = 61,985.54/x
  3. Step 3: Cross multiply
    112,973.96x = 155,898.80 × 61,985.54
  4. Step 4: Simplify right side
    112,973.96x = 9,663,471,303.35
  5. Step 5: Solve for x
    x = 9,663,471,303.35/112,973.96
  6. Step 6: Final answer
    x = 85,537.16

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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.