Home / 147,504.98-203,504.38-87,045.36

Finding the Fourth Proportional to 147,504.98, 203,504.38 and 87,045.36

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Solution

The fourth proportional to 147,504.98, 203,504.38 and 87,045.36 is: 120,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504.98 : 203,504.38 = 87,045.36 : x
  2. Step 2: Convert to fraction form
    147,504.98/203,504.38 = 87,045.36/x
  3. Step 3: Cross multiply
    147,504.98x = 203,504.38 × 87,045.36
  4. Step 4: Simplify right side
    147,504.98x = 17,714,111,801.06
  5. Step 5: Solve for x
    x = 17,714,111,801.06/147,504.98
  6. Step 6: Final answer
    x = 120,091.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.