Home / 179,510.10-247,758.66-103,074.18

Finding the Fourth Proportional to 179,510.10, 247,758.66 and 103,074.18

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Solution

The fourth proportional to 179,510.10, 247,758.66 and 103,074.18 is: 142,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,510.10 : 247,758.66 = 103,074.18 : x
  2. Step 2: Convert to fraction form
    179,510.10/247,758.66 = 103,074.18/x
  3. Step 3: Cross multiply
    179,510.10x = 247,758.66 × 103,074.18
  4. Step 4: Simplify right side
    179,510.10x = 25,537,520,717.40
  5. Step 5: Solve for x
    x = 25,537,520,717.40/179,510.10
  6. Step 6: Final answer
    x = 142,262.31

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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.