Home / 109,931.30-164,896.95-97,246.70

Finding the Fourth Proportional to 109,931.30, 164,896.95 and 97,246.70

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Solution

The fourth proportional to 109,931.30, 164,896.95 and 97,246.70 is: 145,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,931.30 : 164,896.95 = 97,246.70 : x
  2. Step 2: Convert to fraction form
    109,931.30/164,896.95 = 97,246.70/x
  3. Step 3: Cross multiply
    109,931.30x = 164,896.95 × 97,246.70
  4. Step 4: Simplify right side
    109,931.30x = 16,035,684,227.57
  5. Step 5: Solve for x
    x = 16,035,684,227.57/109,931.30
  6. Step 6: Final answer
    x = 145,870.05

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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.