Home / 105,307.92-145,325.28-57,562.07

Finding the Fourth Proportional to 105,307.92, 145,325.28 and 57,562.07

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Solution

The fourth proportional to 105,307.92, 145,325.28 and 57,562.07 is: 79,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307.92 : 145,325.28 = 57,562.07 : x
  2. Step 2: Convert to fraction form
    105,307.92/145,325.28 = 57,562.07/x
  3. Step 3: Cross multiply
    105,307.92x = 145,325.28 × 57,562.07
  4. Step 4: Simplify right side
    105,307.92x = 8,365,223,213.50
  5. Step 5: Solve for x
    x = 8,365,223,213.50/105,307.92
  6. Step 6: Final answer
    x = 79,435.84

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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.