Home / 109,444.25-151,031.95-61,712.98

Finding the Fourth Proportional to 109,444.25, 151,031.95 and 61,712.98

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Solution

The fourth proportional to 109,444.25, 151,031.95 and 61,712.98 is: 85,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,444.25 : 151,031.95 = 61,712.98 : x
  2. Step 2: Convert to fraction form
    109,444.25/151,031.95 = 61,712.98/x
  3. Step 3: Cross multiply
    109,444.25x = 151,031.95 × 61,712.98
  4. Step 4: Simplify right side
    109,444.25x = 9,320,631,709.71
  5. Step 5: Solve for x
    x = 9,320,631,709.71/109,444.25
  6. Step 6: Final answer
    x = 85,163.28

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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.