Home / 101,945.61-152,918.40-31,830.93

Finding the Fourth Proportional to 101,945.61, 152,918.40 and 31,830.93

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Solution

The fourth proportional to 101,945.61, 152,918.40 and 31,830.93 is: 47,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,945.61 : 152,918.40 = 31,830.93 : x
  2. Step 2: Convert to fraction form
    101,945.61/152,918.40 = 31,830.93/x
  3. Step 3: Cross multiply
    101,945.61x = 152,918.40 × 31,830.93
  4. Step 4: Simplify right side
    101,945.61x = 4,867,534,886.11
  5. Step 5: Solve for x
    x = 4,867,534,886.11/101,945.61
  6. Step 6: Final answer
    x = 47,746.39

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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.