Home / 129,015.90-178,050.69-97,134.30

Finding the Fourth Proportional to 129,015.90, 178,050.69 and 97,134.30

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Solution

The fourth proportional to 129,015.90, 178,050.69 and 97,134.30 is: 134,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,015.90 : 178,050.69 = 97,134.30 : x
  2. Step 2: Convert to fraction form
    129,015.90/178,050.69 = 97,134.30/x
  3. Step 3: Cross multiply
    129,015.90x = 178,050.69 × 97,134.30
  4. Step 4: Simplify right side
    129,015.90x = 17,294,829,137.67
  5. Step 5: Solve for x
    x = 17,294,829,137.67/129,015.90
  6. Step 6: Final answer
    x = 134,051.92

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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.