Home / 102,618.10-153,927.15-47,322.10

Finding the Fourth Proportional to 102,618.10, 153,927.15 and 47,322.10

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Solution

The fourth proportional to 102,618.10, 153,927.15 and 47,322.10 is: 70,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,618.10 : 153,927.15 = 47,322.10 : x
  2. Step 2: Convert to fraction form
    102,618.10/153,927.15 = 47,322.10/x
  3. Step 3: Cross multiply
    102,618.10x = 153,927.15 × 47,322.10
  4. Step 4: Simplify right side
    102,618.10x = 7,284,155,985.02
  5. Step 5: Solve for x
    x = 7,284,155,985.02/102,618.10
  6. Step 6: Final answer
    x = 70,983.15

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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.