Home / 115,580.96-159,499.84-64,594.40

Finding the Fourth Proportional to 115,580.96, 159,499.84 and 64,594.40

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Solution

The fourth proportional to 115,580.96, 159,499.84 and 64,594.40 is: 89,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,580.96 : 159,499.84 = 64,594.40 : x
  2. Step 2: Convert to fraction form
    115,580.96/159,499.84 = 64,594.40/x
  3. Step 3: Cross multiply
    115,580.96x = 159,499.84 × 64,594.40
  4. Step 4: Simplify right side
    115,580.96x = 10,302,796,464.90
  5. Step 5: Solve for x
    x = 10,302,796,464.90/115,580.96
  6. Step 6: Final answer
    x = 89,139.22

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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.