Home / 125,010.36-172,513.98-68,421.24

Finding the Fourth Proportional to 125,010.36, 172,513.98 and 68,421.24

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Solution

The fourth proportional to 125,010.36, 172,513.98 and 68,421.24 is: 94,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,010.36 : 172,513.98 = 68,421.24 : x
  2. Step 2: Convert to fraction form
    125,010.36/172,513.98 = 68,421.24/x
  3. Step 3: Cross multiply
    125,010.36x = 172,513.98 × 68,421.24
  4. Step 4: Simplify right side
    125,010.36x = 11,803,620,428.94
  5. Step 5: Solve for x
    x = 11,803,620,428.94/125,010.36
  6. Step 6: Final answer
    x = 94,421.14

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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.