Home / 106,920.47-147,532.79-59,164.70

Finding the Fourth Proportional to 106,920.47, 147,532.79 and 59,164.70

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Solution

The fourth proportional to 106,920.47, 147,532.79 and 59,164.70 is: 81,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,920.47 : 147,532.79 = 59,164.70 : x
  2. Step 2: Convert to fraction form
    106,920.47/147,532.79 = 59,164.70/x
  3. Step 3: Cross multiply
    106,920.47x = 147,532.79 × 59,164.70
  4. Step 4: Simplify right side
    106,920.47x = 8,728,732,670.76
  5. Step 5: Solve for x
    x = 8,728,732,670.76/106,920.47
  6. Step 6: Final answer
    x = 81,637.62

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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.