Home / 125,130.02-172,679.50-68,542.34

Finding the Fourth Proportional to 125,130.02, 172,679.50 and 68,542.34

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Solution

The fourth proportional to 125,130.02, 172,679.50 and 68,542.34 is: 94,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,130.02 : 172,679.50 = 68,542.34 : x
  2. Step 2: Convert to fraction form
    125,130.02/172,679.50 = 68,542.34/x
  3. Step 3: Cross multiply
    125,130.02x = 172,679.50 × 68,542.34
  4. Step 4: Simplify right side
    125,130.02x = 11,835,856,095.45
  5. Step 5: Solve for x
    x = 11,835,856,095.45/125,130.02
  6. Step 6: Final answer
    x = 94,588.46

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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.