Home / 115,232.12-159,014.95-64,250.42

Finding the Fourth Proportional to 115,232.12, 159,014.95 and 64,250.42

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Solution

The fourth proportional to 115,232.12, 159,014.95 and 64,250.42 is: 88,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,232.12 : 159,014.95 = 64,250.42 : x
  2. Step 2: Convert to fraction form
    115,232.12/159,014.95 = 64,250.42/x
  3. Step 3: Cross multiply
    115,232.12x = 159,014.95 × 64,250.42
  4. Step 4: Simplify right side
    115,232.12x = 10,216,776,368.08
  5. Step 5: Solve for x
    x = 10,216,776,368.08/115,232.12
  6. Step 6: Final answer
    x = 88,662.57

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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.