Home / 102,172.10-153,250.38-45,263.63

Finding the Fourth Proportional to 102,172.10, 153,250.38 and 45,263.63

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Solution

The fourth proportional to 102,172.10, 153,250.38 and 45,263.63 is: 67,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,172.10 : 153,250.38 = 45,263.63 : x
  2. Step 2: Convert to fraction form
    102,172.10/153,250.38 = 45,263.63/x
  3. Step 3: Cross multiply
    102,172.10x = 153,250.38 × 45,263.63
  4. Step 4: Simplify right side
    102,172.10x = 6,936,668,018.77
  5. Step 5: Solve for x
    x = 6,936,668,018.77/102,172.10
  6. Step 6: Final answer
    x = 67,892.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.