Home / 125,313.03-172,929.87-70,864.34

Finding the Fourth Proportional to 125,313.03, 172,929.87 and 70,864.34

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Solution

The fourth proportional to 125,313.03, 172,929.87 and 70,864.34 is: 97,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,313.03 : 172,929.87 = 70,864.34 : x
  2. Step 2: Convert to fraction form
    125,313.03/172,929.87 = 70,864.34/x
  3. Step 3: Cross multiply
    125,313.03x = 172,929.87 × 70,864.34
  4. Step 4: Simplify right side
    125,313.03x = 12,254,560,239.19
  5. Step 5: Solve for x
    x = 12,254,560,239.19/125,313.03
  6. Step 6: Final answer
    x = 97,791.59

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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.