Home / 125,070.56-172,573.36-84,817.12

Finding the Fourth Proportional to 125,070.56, 172,573.36 and 84,817.12

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Solution

The fourth proportional to 125,070.56, 172,573.36 and 84,817.12 is: 117,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,070.56 : 172,573.36 = 84,817.12 : x
  2. Step 2: Convert to fraction form
    125,070.56/172,573.36 = 84,817.12/x
  3. Step 3: Cross multiply
    125,070.56x = 172,573.36 × 84,817.12
  4. Step 4: Simplify right side
    125,070.56x = 14,637,175,383.92
  5. Step 5: Solve for x
    x = 14,637,175,383.92/125,070.56
  6. Step 6: Final answer
    x = 117,031.34

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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.