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Finding the Fourth Proportional to 93,228.17, 139,675.03 and 56,646.60

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Solution

The fourth proportional to 93,228.17, 139,675.03 and 56,646.60 is: 84,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,228.17 : 139,675.03 = 56,646.60 : x
  2. Step 2: Convert to fraction form
    93,228.17/139,675.03 = 56,646.60/x
  3. Step 3: Cross multiply
    93,228.17x = 139,675.03 × 56,646.60
  4. Step 4: Simplify right side
    93,228.17x = 7,912,116,189.73
  5. Step 5: Solve for x
    x = 7,912,116,189.73/93,228.17
  6. Step 6: Final answer
    x = 84,868.30

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1.5x scale

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.