Home / 229,125.32-316,192.24-127,166.16

Finding the Fourth Proportional to 229,125.32, 316,192.24 and 127,166.16

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Solution

The fourth proportional to 229,125.32, 316,192.24 and 127,166.16 is: 175,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,125.32 : 316,192.24 = 127,166.16 : x
  2. Step 2: Convert to fraction form
    229,125.32/316,192.24 = 127,166.16/x
  3. Step 3: Cross multiply
    229,125.32x = 316,192.24 × 127,166.16
  4. Step 4: Simplify right side
    229,125.32x = 40,208,952,982.60
  5. Step 5: Solve for x
    x = 40,208,952,982.60/229,125.32
  6. Step 6: Final answer
    x = 175,488.91

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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.