Home / 120,188.55-180,312.35-41,303.91

Finding the Fourth Proportional to 120,188.55, 180,312.35 and 41,303.91

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Solution

The fourth proportional to 120,188.55, 180,312.35 and 41,303.91 is: 61,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,188.55 : 180,312.35 = 41,303.91 : x
  2. Step 2: Convert to fraction form
    120,188.55/180,312.35 = 41,303.91/x
  3. Step 3: Cross multiply
    120,188.55x = 180,312.35 × 41,303.91
  4. Step 4: Simplify right side
    120,188.55x = 7,447,604,869.77
  5. Step 5: Solve for x
    x = 7,447,604,869.77/120,188.55
  6. Step 6: Final answer
    x = 61,966.01

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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.