Home / 101,423.12-139,951.76-56,094.98

Finding the Fourth Proportional to 101,423.12, 139,951.76 and 56,094.98

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Solution

The fourth proportional to 101,423.12, 139,951.76 and 56,094.98 is: 77,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,423.12 : 139,951.76 = 56,094.98 : x
  2. Step 2: Convert to fraction form
    101,423.12/139,951.76 = 56,094.98/x
  3. Step 3: Cross multiply
    101,423.12x = 139,951.76 × 56,094.98
  4. Step 4: Simplify right side
    101,423.12x = 7,850,590,197.93
  5. Step 5: Solve for x
    x = 7,850,590,197.93/101,423.12
  6. Step 6: Final answer
    x = 77,404.35

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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.