Home / 145,181.40-217,669.14-56,360.04

Finding the Fourth Proportional to 145,181.40, 217,669.14 and 56,360.04

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Solution

The fourth proportional to 145,181.40, 217,669.14 and 56,360.04 is: 84,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,181.40 : 217,669.14 = 56,360.04 : x
  2. Step 2: Convert to fraction form
    145,181.40/217,669.14 = 56,360.04/x
  3. Step 3: Cross multiply
    145,181.40x = 217,669.14 × 56,360.04
  4. Step 4: Simplify right side
    145,181.40x = 12,267,841,437.17
  5. Step 5: Solve for x
    x = 12,267,841,437.17/145,181.40
  6. Step 6: Final answer
    x = 84,500.09

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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.