Home / 115,275.34-159,079.66-64,288.14

Finding the Fourth Proportional to 115,275.34, 159,079.66 and 64,288.14

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Solution

The fourth proportional to 115,275.34, 159,079.66 and 64,288.14 is: 88,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,275.34 : 159,079.66 = 64,288.14 : x
  2. Step 2: Convert to fraction form
    115,275.34/159,079.66 = 64,288.14/x
  3. Step 3: Cross multiply
    115,275.34x = 159,079.66 × 64,288.14
  4. Step 4: Simplify right side
    115,275.34x = 10,226,935,453.23
  5. Step 5: Solve for x
    x = 10,226,935,453.23/115,275.34
  6. Step 6: Final answer
    x = 88,717.46

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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.