Home / 103,640.30-155,460.09-44,437.58

Finding the Fourth Proportional to 103,640.30, 155,460.09 and 44,437.58

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Solution

The fourth proportional to 103,640.30, 155,460.09 and 44,437.58 is: 66,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.30 : 155,460.09 = 44,437.58 : x
  2. Step 2: Convert to fraction form
    103,640.30/155,460.09 = 44,437.58/x
  3. Step 3: Cross multiply
    103,640.30x = 155,460.09 × 44,437.58
  4. Step 4: Simplify right side
    103,640.30x = 6,908,270,186.18
  5. Step 5: Solve for x
    x = 6,908,270,186.18/103,640.30
  6. Step 6: Final answer
    x = 66,656.22

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1.5x scale

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.