Home / 115,417.66-159,281.18-64,433.22

Finding the Fourth Proportional to 115,417.66, 159,281.18 and 64,433.22

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Solution

The fourth proportional to 115,417.66, 159,281.18 and 64,433.22 is: 88,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.66 : 159,281.18 = 64,433.22 : x
  2. Step 2: Convert to fraction form
    115,417.66/159,281.18 = 64,433.22/x
  3. Step 3: Cross multiply
    115,417.66x = 159,281.18 × 64,433.22
  4. Step 4: Simplify right side
    115,417.66x = 10,262,999,473.88
  5. Step 5: Solve for x
    x = 10,262,999,473.88/115,417.66
  6. Step 6: Final answer
    x = 88,920.53

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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.