Home / 91,848.45-126,756.54-61,168.95

Finding the Fourth Proportional to 91,848.45, 126,756.54 and 61,168.95

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Solution

The fourth proportional to 91,848.45, 126,756.54 and 61,168.95 is: 84,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.45 : 126,756.54 = 61,168.95 : x
  2. Step 2: Convert to fraction form
    91,848.45/126,756.54 = 61,168.95/x
  3. Step 3: Cross multiply
    91,848.45x = 126,756.54 × 61,168.95
  4. Step 4: Simplify right side
    91,848.45x = 7,753,564,457.43
  5. Step 5: Solve for x
    x = 7,753,564,457.43/91,848.45
  6. Step 6: Final answer
    x = 84,416.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.