Home / 115,228.19-159,015.59-64,244.13

Finding the Fourth Proportional to 115,228.19, 159,015.59 and 64,244.13

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Solution

The fourth proportional to 115,228.19, 159,015.59 and 64,244.13 is: 88,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.19 : 159,015.59 = 64,244.13 : x
  2. Step 2: Convert to fraction form
    115,228.19/159,015.59 = 64,244.13/x
  3. Step 3: Cross multiply
    115,228.19x = 159,015.59 × 64,244.13
  4. Step 4: Simplify right side
    115,228.19x = 10,215,818,235.99
  5. Step 5: Solve for x
    x = 10,215,818,235.99/115,228.19
  6. Step 6: Final answer
    x = 88,657.28

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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.