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Finding the Fourth Proportional to 172,002.98, 237,365.61 and 100,369.16

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Solution

The fourth proportional to 172,002.98, 237,365.61 and 100,369.16 is: 138,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,002.98 : 237,365.61 = 100,369.16 : x
  2. Step 2: Convert to fraction form
    172,002.98/237,365.61 = 100,369.16/x
  3. Step 3: Cross multiply
    172,002.98x = 237,365.61 × 100,369.16
  4. Step 4: Simplify right side
    172,002.98x = 23,824,185,701.76
  5. Step 5: Solve for x
    x = 23,824,185,701.76/172,002.98
  6. Step 6: Final answer
    x = 138,510.31

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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.