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Finding the Fourth Proportional to 101,271.61, 151,893.40 and 26,385.65

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Solution

The fourth proportional to 101,271.61, 151,893.40 and 26,385.65 is: 39,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,271.61 : 151,893.40 = 26,385.65 : x
  2. Step 2: Convert to fraction form
    101,271.61/151,893.40 = 26,385.65/x
  3. Step 3: Cross multiply
    101,271.61x = 151,893.40 × 26,385.65
  4. Step 4: Simplify right side
    101,271.61x = 4,007,806,089.71
  5. Step 5: Solve for x
    x = 4,007,806,089.71/101,271.61
  6. Step 6: Final answer
    x = 39,574.82

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1.5x scale

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.