Home / 103,548.07-155,298.86-40,346.50

Finding the Fourth Proportional to 103,548.07, 155,298.86 and 40,346.50

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Solution

The fourth proportional to 103,548.07, 155,298.86 and 40,346.50 is: 60,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,548.07 : 155,298.86 = 40,346.50 : x
  2. Step 2: Convert to fraction form
    103,548.07/155,298.86 = 40,346.50/x
  3. Step 3: Cross multiply
    103,548.07x = 155,298.86 × 40,346.50
  4. Step 4: Simplify right side
    103,548.07x = 6,265,765,454.99
  5. Step 5: Solve for x
    x = 6,265,765,454.99/103,548.07
  6. Step 6: Final answer
    x = 60,510.69

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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.