Home / 103,397.13-154,985.40-58,928.13

Finding the Fourth Proportional to 103,397.13, 154,985.40 and 58,928.13

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Solution

The fourth proportional to 103,397.13, 154,985.40 and 58,928.13 is: 88,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,397.13 : 154,985.40 = 58,928.13 : x
  2. Step 2: Convert to fraction form
    103,397.13/154,985.40 = 58,928.13/x
  3. Step 3: Cross multiply
    103,397.13x = 154,985.40 × 58,928.13
  4. Step 4: Simplify right side
    103,397.13x = 9,132,999,799.30
  5. Step 5: Solve for x
    x = 9,132,999,799.30/103,397.13
  6. Step 6: Final answer
    x = 88,329.34

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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.