Home / 122,737.04-169,272.20-84,557.52

Finding the Fourth Proportional to 122,737.04, 169,272.20 and 84,557.52

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Solution

The fourth proportional to 122,737.04, 169,272.20 and 84,557.52 is: 116,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737.04 : 169,272.20 = 84,557.52 : x
  2. Step 2: Convert to fraction form
    122,737.04/169,272.20 = 84,557.52/x
  3. Step 3: Cross multiply
    122,737.04x = 169,272.20 × 84,557.52
  4. Step 4: Simplify right side
    122,737.04x = 14,313,237,436.94
  5. Step 5: Solve for x
    x = 14,313,237,436.94/122,737.04
  6. Step 6: Final answer
    x = 116,617.10

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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.