Home / 105,237.50-145,230.98-57,493.94

Finding the Fourth Proportional to 105,237.50, 145,230.98 and 57,493.94

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Solution

The fourth proportional to 105,237.50, 145,230.98 and 57,493.94 is: 79,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,237.50 : 145,230.98 = 57,493.94 : x
  2. Step 2: Convert to fraction form
    105,237.50/145,230.98 = 57,493.94/x
  3. Step 3: Cross multiply
    105,237.50x = 145,230.98 × 57,493.94
  4. Step 4: Simplify right side
    105,237.50x = 8,349,900,236.64
  5. Step 5: Solve for x
    x = 8,349,900,236.64/105,237.50
  6. Step 6: Final answer
    x = 79,343.40

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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.