Home / 93,427.38-139,475.70-90,146.88

Finding the Fourth Proportional to 93,427.38, 139,475.70 and 90,146.88

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Solution

The fourth proportional to 93,427.38, 139,475.70 and 90,146.88 is: 134,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,427.38 : 139,475.70 = 90,146.88 : x
  2. Step 2: Convert to fraction form
    93,427.38/139,475.70 = 90,146.88/x
  3. Step 3: Cross multiply
    93,427.38x = 139,475.70 × 90,146.88
  4. Step 4: Simplify right side
    93,427.38x = 12,573,299,190.82
  5. Step 5: Solve for x
    x = 12,573,299,190.82/93,427.38
  6. Step 6: Final answer
    x = 134,578.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.