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Finding the Fourth Proportional to 143,810.01, 215,715.02 and 43,970.21

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Solution

The fourth proportional to 143,810.01, 215,715.02 and 43,970.21 is: 65,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,810.01 : 215,715.02 = 43,970.21 : x
  2. Step 2: Convert to fraction form
    143,810.01/215,715.02 = 43,970.21/x
  3. Step 3: Cross multiply
    143,810.01x = 215,715.02 × 43,970.21
  4. Step 4: Simplify right side
    143,810.01x = 9,485,033,431.13
  5. Step 5: Solve for x
    x = 9,485,033,431.13/143,810.01
  6. Step 6: Final answer
    x = 65,955.31

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1.5x scale

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.