Home / 104,316.05-143,945.57-64,031.51

Finding the Fourth Proportional to 104,316.05, 143,945.57 and 64,031.51

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Solution

The fourth proportional to 104,316.05, 143,945.57 and 64,031.51 is: 88,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.05 : 143,945.57 = 64,031.51 : x
  2. Step 2: Convert to fraction form
    104,316.05/143,945.57 = 64,031.51/x
  3. Step 3: Cross multiply
    104,316.05x = 143,945.57 × 64,031.51
  4. Step 4: Simplify right side
    104,316.05x = 9,217,051,884.75
  5. Step 5: Solve for x
    x = 9,217,051,884.75/104,316.05
  6. Step 6: Final answer
    x = 88,356.99

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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.