Home / 155,513.93-214,616.06-87,535.30

Finding the Fourth Proportional to 155,513.93, 214,616.06 and 87,535.30

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Solution

The fourth proportional to 155,513.93, 214,616.06 and 87,535.30 is: 120,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.93 : 214,616.06 = 87,535.30 : x
  2. Step 2: Convert to fraction form
    155,513.93/214,616.06 = 87,535.30/x
  3. Step 3: Cross multiply
    155,513.93x = 214,616.06 × 87,535.30
  4. Step 4: Simplify right side
    155,513.93x = 18,786,479,686.16
  5. Step 5: Solve for x
    x = 18,786,479,686.16/155,513.93
  6. Step 6: Final answer
    x = 120,802.55

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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.