Home / 150,426.24-207,537.30-86,762.40

Finding the Fourth Proportional to 150,426.24, 207,537.30 and 86,762.40

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Solution

The fourth proportional to 150,426.24, 207,537.30 and 86,762.40 is: 119,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,426.24 : 207,537.30 = 86,762.40 : x
  2. Step 2: Convert to fraction form
    150,426.24/207,537.30 = 86,762.40/x
  3. Step 3: Cross multiply
    150,426.24x = 207,537.30 × 86,762.40
  4. Step 4: Simplify right side
    150,426.24x = 18,006,434,237.52
  5. Step 5: Solve for x
    x = 18,006,434,237.52/150,426.24
  6. Step 6: Final answer
    x = 119,702.75

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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.