Home / 155,703.79-233,374.23-71,472.85

Finding the Fourth Proportional to 155,703.79, 233,374.23 and 71,472.85

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Solution

The fourth proportional to 155,703.79, 233,374.23 and 71,472.85 is: 107,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,703.79 : 233,374.23 = 71,472.85 : x
  2. Step 2: Convert to fraction form
    155,703.79/233,374.23 = 71,472.85/x
  3. Step 3: Cross multiply
    155,703.79x = 233,374.23 × 71,472.85
  4. Step 4: Simplify right side
    155,703.79x = 16,679,920,751.22
  5. Step 5: Solve for x
    x = 16,679,920,751.22/155,703.79
  6. Step 6: Final answer
    x = 107,125.98

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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.