Home / 106,724.05-147,264.22-61,384.79

Finding the Fourth Proportional to 106,724.05, 147,264.22 and 61,384.79

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Solution

The fourth proportional to 106,724.05, 147,264.22 and 61,384.79 is: 84,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,724.05 : 147,264.22 = 61,384.79 : x
  2. Step 2: Convert to fraction form
    106,724.05/147,264.22 = 61,384.79/x
  3. Step 3: Cross multiply
    106,724.05x = 147,264.22 × 61,384.79
  4. Step 4: Simplify right side
    106,724.05x = 9,039,783,219.21
  5. Step 5: Solve for x
    x = 9,039,783,219.21/106,724.05
  6. Step 6: Final answer
    x = 84,702.40

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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.