Home / 228,130.02-314,806.86-126,149.58

Finding the Fourth Proportional to 228,130.02, 314,806.86 and 126,149.58

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Solution

The fourth proportional to 228,130.02, 314,806.86 and 126,149.58 is: 174,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,130.02 : 314,806.86 = 126,149.58 : x
  2. Step 2: Convert to fraction form
    228,130.02/314,806.86 = 126,149.58/x
  3. Step 3: Cross multiply
    228,130.02x = 314,806.86 × 126,149.58
  4. Step 4: Simplify right side
    228,130.02x = 39,712,753,170.12
  5. Step 5: Solve for x
    x = 39,712,753,170.12/228,130.02
  6. Step 6: Final answer
    x = 174,079.47

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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.