Home / 115,630.01-159,557.16-64,637.37

Finding the Fourth Proportional to 115,630.01, 159,557.16 and 64,637.37

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Solution

The fourth proportional to 115,630.01, 159,557.16 and 64,637.37 is: 89,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,630.01 : 159,557.16 = 64,637.37 : x
  2. Step 2: Convert to fraction form
    115,630.01/159,557.16 = 64,637.37/x
  3. Step 3: Cross multiply
    115,630.01x = 159,557.16 × 64,637.37
  4. Step 4: Simplify right side
    115,630.01x = 10,313,355,187.07
  5. Step 5: Solve for x
    x = 10,313,355,187.07/115,630.01
  6. Step 6: Final answer
    x = 89,192.72

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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.