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Finding the Fourth Proportional to 93,054.35, 139,528.65 and 63,507.98

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Solution

The fourth proportional to 93,054.35, 139,528.65 and 63,507.98 is: 95,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,054.35 : 139,528.65 = 63,507.98 : x
  2. Step 2: Convert to fraction form
    93,054.35/139,528.65 = 63,507.98/x
  3. Step 3: Cross multiply
    93,054.35x = 139,528.65 × 63,507.98
  4. Step 4: Simplify right side
    93,054.35x = 8,861,182,713.63
  5. Step 5: Solve for x
    x = 8,861,182,713.63/93,054.35
  6. Step 6: Final answer
    x = 95,225.88

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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.