Home / 122,311.53-183,228.55-84,271.06

Finding the Fourth Proportional to 122,311.53, 183,228.55 and 84,271.06

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Solution

The fourth proportional to 122,311.53, 183,228.55 and 84,271.06 is: 126,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,311.53 : 183,228.55 = 84,271.06 : x
  2. Step 2: Convert to fraction form
    122,311.53/183,228.55 = 84,271.06/x
  3. Step 3: Cross multiply
    122,311.53x = 183,228.55 × 84,271.06
  4. Step 4: Simplify right side
    122,311.53x = 15,440,864,130.76
  5. Step 5: Solve for x
    x = 15,440,864,130.76/122,311.53
  6. Step 6: Final answer
    x = 126,242.10

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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.