Home / 124,777.38-172,172.88-71,063.40

Finding the Fourth Proportional to 124,777.38, 172,172.88 and 71,063.40

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Solution

The fourth proportional to 124,777.38, 172,172.88 and 71,063.40 is: 98,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.38 : 172,172.88 = 71,063.40 : x
  2. Step 2: Convert to fraction form
    124,777.38/172,172.88 = 71,063.40/x
  3. Step 3: Cross multiply
    124,777.38x = 172,172.88 × 71,063.40
  4. Step 4: Simplify right side
    124,777.38x = 12,235,190,240.59
  5. Step 5: Solve for x
    x = 12,235,190,240.59/124,777.38
  6. Step 6: Final answer
    x = 98,056.16

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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.