Home / 115,582.44-159,500.61-64,595.40

Finding the Fourth Proportional to 115,582.44, 159,500.61 and 64,595.40

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Solution

The fourth proportional to 115,582.44, 159,500.61 and 64,595.40 is: 89,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,582.44 : 159,500.61 = 64,595.40 : x
  2. Step 2: Convert to fraction form
    115,582.44/159,500.61 = 64,595.40/x
  3. Step 3: Cross multiply
    115,582.44x = 159,500.61 × 64,595.40
  4. Step 4: Simplify right side
    115,582.44x = 10,303,005,703.19
  5. Step 5: Solve for x
    x = 10,303,005,703.19/115,582.44
  6. Step 6: Final answer
    x = 89,139.89

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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.