Home / 103,091.60-154,547.40-39,954.80

Finding the Fourth Proportional to 103,091.60, 154,547.40 and 39,954.80

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Solution

The fourth proportional to 103,091.60, 154,547.40 and 39,954.80 is: 59,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.60 : 154,547.40 = 39,954.80 : x
  2. Step 2: Convert to fraction form
    103,091.60/154,547.40 = 39,954.80/x
  3. Step 3: Cross multiply
    103,091.60x = 154,547.40 × 39,954.80
  4. Step 4: Simplify right side
    103,091.60x = 6,174,910,457.52
  5. Step 5: Solve for x
    x = 6,174,910,457.52/103,091.60
  6. Step 6: Final answer
    x = 59,897.32

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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.