Home / 119,059.79-178,543.14-43,140.30

Finding the Fourth Proportional to 119,059.79, 178,543.14 and 43,140.30

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Solution

The fourth proportional to 119,059.79, 178,543.14 and 43,140.30 is: 64,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,059.79 : 178,543.14 = 43,140.30 : x
  2. Step 2: Convert to fraction form
    119,059.79/178,543.14 = 43,140.30/x
  3. Step 3: Cross multiply
    119,059.79x = 178,543.14 × 43,140.30
  4. Step 4: Simplify right side
    119,059.79x = 7,702,403,729.83
  5. Step 5: Solve for x
    x = 7,702,403,729.83/119,059.79
  6. Step 6: Final answer
    x = 64,693.58

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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.