Home / 101,509.06-152,262.75-79,341.07

Finding the Fourth Proportional to 101,509.06, 152,262.75 and 79,341.07

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Solution

The fourth proportional to 101,509.06, 152,262.75 and 79,341.07 is: 119,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,509.06 : 152,262.75 = 79,341.07 : x
  2. Step 2: Convert to fraction form
    101,509.06/152,262.75 = 79,341.07/x
  3. Step 3: Cross multiply
    101,509.06x = 152,262.75 × 79,341.07
  4. Step 4: Simplify right side
    101,509.06x = 12,080,689,506.14
  5. Step 5: Solve for x
    x = 12,080,689,506.14/101,509.06
  6. Step 6: Final answer
    x = 119,010.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.