Home / 188,287.20-282,430.66-48,045.84

Finding the Fourth Proportional to 188,287.20, 282,430.66 and 48,045.84

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Solution

The fourth proportional to 188,287.20, 282,430.66 and 48,045.84 is: 72,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,287.20 : 282,430.66 = 48,045.84 : x
  2. Step 2: Convert to fraction form
    188,287.20/282,430.66 = 48,045.84/x
  3. Step 3: Cross multiply
    188,287.20x = 282,430.66 × 48,045.84
  4. Step 4: Simplify right side
    188,287.20x = 13,569,618,301.45
  5. Step 5: Solve for x
    x = 13,569,618,301.45/188,287.20
  6. Step 6: Final answer
    x = 72,068.72

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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.