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Finding the Fourth Proportional to 93,189.27, 128,602.73 and 52,904.22

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Solution

The fourth proportional to 93,189.27, 128,602.73 and 52,904.22 is: 73,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,189.27 : 128,602.73 = 52,904.22 : x
  2. Step 2: Convert to fraction form
    93,189.27/128,602.73 = 52,904.22/x
  3. Step 3: Cross multiply
    93,189.27x = 128,602.73 × 52,904.22
  4. Step 4: Simplify right side
    93,189.27x = 6,803,626,856.00
  5. Step 5: Solve for x
    x = 6,803,626,856.00/93,189.27
  6. Step 6: Final answer
    x = 73,008.69

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1.5x scale

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.