Home / 102,900.07-141,957.04-60,439.46

Finding the Fourth Proportional to 102,900.07, 141,957.04 and 60,439.46

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Solution

The fourth proportional to 102,900.07, 141,957.04 and 60,439.46 is: 83,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,900.07 : 141,957.04 = 60,439.46 : x
  2. Step 2: Convert to fraction form
    102,900.07/141,957.04 = 60,439.46/x
  3. Step 3: Cross multiply
    102,900.07x = 141,957.04 × 60,439.46
  4. Step 4: Simplify right side
    102,900.07x = 8,579,806,538.60
  5. Step 5: Solve for x
    x = 8,579,806,538.60/102,900.07
  6. Step 6: Final answer
    x = 83,379.99

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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.