Home / 125,077.77-172,631.79-97,799.94

Finding the Fourth Proportional to 125,077.77, 172,631.79 and 97,799.94

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Solution

The fourth proportional to 125,077.77, 172,631.79 and 97,799.94 is: 134,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,077.77 : 172,631.79 = 97,799.94 : x
  2. Step 2: Convert to fraction form
    125,077.77/172,631.79 = 97,799.94/x
  3. Step 3: Cross multiply
    125,077.77x = 172,631.79 × 97,799.94
  4. Step 4: Simplify right side
    125,077.77x = 16,883,378,704.09
  5. Step 5: Solve for x
    x = 16,883,378,704.09/125,077.77
  6. Step 6: Final answer
    x = 134,983.05

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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.