Home / 124,746.09-172,148.92-68,157.46

Finding the Fourth Proportional to 124,746.09, 172,148.92 and 68,157.46

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Solution

The fourth proportional to 124,746.09, 172,148.92 and 68,157.46 is: 94,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,746.09 : 172,148.92 = 68,157.46 : x
  2. Step 2: Convert to fraction form
    124,746.09/172,148.92 = 68,157.46/x
  3. Step 3: Cross multiply
    124,746.09x = 172,148.92 × 68,157.46
  4. Step 4: Simplify right side
    124,746.09x = 11,733,233,128.94
  5. Step 5: Solve for x
    x = 11,733,233,128.94/124,746.09
  6. Step 6: Final answer
    x = 94,056.92

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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.