Home / 122,857.47-169,559.64-69,152.94

Finding the Fourth Proportional to 122,857.47, 169,559.64 and 69,152.94

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Solution

The fourth proportional to 122,857.47, 169,559.64 and 69,152.94 is: 95,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,857.47 : 169,559.64 = 69,152.94 : x
  2. Step 2: Convert to fraction form
    122,857.47/169,559.64 = 69,152.94/x
  3. Step 3: Cross multiply
    122,857.47x = 169,559.64 × 69,152.94
  4. Step 4: Simplify right side
    122,857.47x = 11,725,547,611.34
  5. Step 5: Solve for x
    x = 11,725,547,611.34/122,857.47
  6. Step 6: Final answer
    x = 95,440.25

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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.