Home / 103,864.63-155,823.23-28,984.76

Finding the Fourth Proportional to 103,864.63, 155,823.23 and 28,984.76

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Solution

The fourth proportional to 103,864.63, 155,823.23 and 28,984.76 is: 43,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,864.63 : 155,823.23 = 28,984.76 : x
  2. Step 2: Convert to fraction form
    103,864.63/155,823.23 = 28,984.76/x
  3. Step 3: Cross multiply
    103,864.63x = 155,823.23 × 28,984.76
  4. Step 4: Simplify right side
    103,864.63x = 4,516,499,168.61
  5. Step 5: Solve for x
    x = 4,516,499,168.61/103,864.63
  6. Step 6: Final answer
    x = 43,484.48

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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.