Home / 187,547.80-281,319-47,305.48

Finding the Fourth Proportional to 187,547.80, 281,319 and 47,305.48

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Solution

The fourth proportional to 187,547.80, 281,319 and 47,305.48 is: 70,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,547.80 : 281,319 = 47,305.48 : x
  2. Step 2: Convert to fraction form
    187,547.80/281,319 = 47,305.48/x
  3. Step 3: Cross multiply
    187,547.80x = 281,319 × 47,305.48
  4. Step 4: Simplify right side
    187,547.80x = 13,307,930,328.12
  5. Step 5: Solve for x
    x = 13,307,930,328.12/187,547.80
  6. Step 6: Final answer
    x = 70,957.54

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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.