Home / 115,560.72-159,457.74-64,567.08

Finding the Fourth Proportional to 115,560.72, 159,457.74 and 64,567.08

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Solution

The fourth proportional to 115,560.72, 159,457.74 and 64,567.08 is: 89,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,560.72 : 159,457.74 = 64,567.08 : x
  2. Step 2: Convert to fraction form
    115,560.72/159,457.74 = 64,567.08/x
  3. Step 3: Cross multiply
    115,560.72x = 159,457.74 × 64,567.08
  4. Step 4: Simplify right side
    115,560.72x = 10,295,720,655.20
  5. Step 5: Solve for x
    x = 10,295,720,655.20/115,560.72
  6. Step 6: Final answer
    x = 89,093.60

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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.