Home / 124,946.18-172,304.64-105,824.51

Finding the Fourth Proportional to 124,946.18, 172,304.64 and 105,824.51

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Solution

The fourth proportional to 124,946.18, 172,304.64 and 105,824.51 is: 145,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,946.18 : 172,304.64 = 105,824.51 : x
  2. Step 2: Convert to fraction form
    124,946.18/172,304.64 = 105,824.51/x
  3. Step 3: Cross multiply
    124,946.18x = 172,304.64 × 105,824.51
  4. Step 4: Simplify right side
    124,946.18x = 18,234,053,237.20
  5. Step 5: Solve for x
    x = 18,234,053,237.20/124,946.18
  6. Step 6: Final answer
    x = 145,935.27

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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.