Home / 115,762.01-159,752.18-64,774.85

Finding the Fourth Proportional to 115,762.01, 159,752.18 and 64,774.85

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Solution

The fourth proportional to 115,762.01, 159,752.18 and 64,774.85 is: 89,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,762.01 : 159,752.18 = 64,774.85 : x
  2. Step 2: Convert to fraction form
    115,762.01/159,752.18 = 64,774.85/x
  3. Step 3: Cross multiply
    115,762.01x = 159,752.18 × 64,774.85
  4. Step 4: Simplify right side
    115,762.01x = 10,347,922,374.04
  5. Step 5: Solve for x
    x = 10,347,922,374.04/115,762.01
  6. Step 6: Final answer
    x = 89,389.63

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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.