Home / 93,437.40-140,199.84-40,840.05

Finding the Fourth Proportional to 93,437.40, 140,199.84 and 40,840.05

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Solution

The fourth proportional to 93,437.40, 140,199.84 and 40,840.05 is: 61,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,437.40 : 140,199.84 = 40,840.05 : x
  2. Step 2: Convert to fraction form
    93,437.40/140,199.84 = 40,840.05/x
  3. Step 3: Cross multiply
    93,437.40x = 140,199.84 × 40,840.05
  4. Step 4: Simplify right side
    93,437.40x = 5,725,768,475.59
  5. Step 5: Solve for x
    x = 5,725,768,475.59/93,437.40
  6. Step 6: Final answer
    x = 61,279.19

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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.