Home / 115,504.29-159,385.55-64,509.93

Finding the Fourth Proportional to 115,504.29, 159,385.55 and 64,509.93

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Solution

The fourth proportional to 115,504.29, 159,385.55 and 64,509.93 is: 89,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,504.29 : 159,385.55 = 64,509.93 : x
  2. Step 2: Convert to fraction form
    115,504.29/159,385.55 = 64,509.93/x
  3. Step 3: Cross multiply
    115,504.29x = 159,385.55 × 64,509.93
  4. Step 4: Simplify right side
    115,504.29x = 10,281,950,350.96
  5. Step 5: Solve for x
    x = 10,281,950,350.96/115,504.29
  6. Step 6: Final answer
    x = 89,017.91

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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.