Home / 124,675.60-187,013.40-40,435.60

Finding the Fourth Proportional to 124,675.60, 187,013.40 and 40,435.60

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Solution

The fourth proportional to 124,675.60, 187,013.40 and 40,435.60 is: 60,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,675.60 : 187,013.40 = 40,435.60 : x
  2. Step 2: Convert to fraction form
    124,675.60/187,013.40 = 40,435.60/x
  3. Step 3: Cross multiply
    124,675.60x = 187,013.40 × 40,435.60
  4. Step 4: Simplify right side
    124,675.60x = 7,561,999,037.04
  5. Step 5: Solve for x
    x = 7,561,999,037.04/124,675.60
  6. Step 6: Final answer
    x = 60,653.40

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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.