Home / 141,461.02-212,285.01-66,602.58

Finding the Fourth Proportional to 141,461.02, 212,285.01 and 66,602.58

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Solution

The fourth proportional to 141,461.02, 212,285.01 and 66,602.58 is: 99,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,461.02 : 212,285.01 = 66,602.58 : x
  2. Step 2: Convert to fraction form
    141,461.02/212,285.01 = 66,602.58/x
  3. Step 3: Cross multiply
    141,461.02x = 212,285.01 × 66,602.58
  4. Step 4: Simplify right side
    141,461.02x = 14,138,728,299.90
  5. Step 5: Solve for x
    x = 14,138,728,299.90/141,461.02
  6. Step 6: Final answer
    x = 99,947.87

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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.