Home / 125,188.64-172,762.44-68,603.12

Finding the Fourth Proportional to 125,188.64, 172,762.44 and 68,603.12

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Solution

The fourth proportional to 125,188.64, 172,762.44 and 68,603.12 is: 94,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,188.64 : 172,762.44 = 68,603.12 : x
  2. Step 2: Convert to fraction form
    125,188.64/172,762.44 = 68,603.12/x
  3. Step 3: Cross multiply
    125,188.64x = 172,762.44 × 68,603.12
  4. Step 4: Simplify right side
    125,188.64x = 11,852,042,402.81
  5. Step 5: Solve for x
    x = 11,852,042,402.81/125,188.64
  6. Step 6: Final answer
    x = 94,673.47

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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.