Home / 124,970.49-172,279.85-89,098.25

Finding the Fourth Proportional to 124,970.49, 172,279.85 and 89,098.25

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Solution

The fourth proportional to 124,970.49, 172,279.85 and 89,098.25 is: 122,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,970.49 : 172,279.85 = 89,098.25 : x
  2. Step 2: Convert to fraction form
    124,970.49/172,279.85 = 89,098.25/x
  3. Step 3: Cross multiply
    124,970.49x = 172,279.85 × 89,098.25
  4. Step 4: Simplify right side
    124,970.49x = 15,349,831,838.37
  5. Step 5: Solve for x
    x = 15,349,831,838.37/124,970.49
  6. Step 6: Final answer
    x = 122,827.65

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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.