Home / 124,938.77-172,415.32-68,350.14

Finding the Fourth Proportional to 124,938.77, 172,415.32 and 68,350.14

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Solution

The fourth proportional to 124,938.77, 172,415.32 and 68,350.14 is: 94,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,938.77 : 172,415.32 = 68,350.14 : x
  2. Step 2: Convert to fraction form
    124,938.77/172,415.32 = 68,350.14/x
  3. Step 3: Cross multiply
    124,938.77x = 172,415.32 × 68,350.14
  4. Step 4: Simplify right side
    124,938.77x = 11,784,611,089.27
  5. Step 5: Solve for x
    x = 11,784,611,089.27/124,938.77
  6. Step 6: Final answer
    x = 94,323.10

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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.