Home / 125,080.02-172,607.09-71,364.06

Finding the Fourth Proportional to 125,080.02, 172,607.09 and 71,364.06

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Solution

The fourth proportional to 125,080.02, 172,607.09 and 71,364.06 is: 98,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,080.02 : 172,607.09 = 71,364.06 : x
  2. Step 2: Convert to fraction form
    125,080.02/172,607.09 = 71,364.06/x
  3. Step 3: Cross multiply
    125,080.02x = 172,607.09 × 71,364.06
  4. Step 4: Simplify right side
    125,080.02x = 12,317,942,370.37
  5. Step 5: Solve for x
    x = 12,317,942,370.37/125,080.02
  6. Step 6: Final answer
    x = 98,480.50

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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.