Home / 105,497.68-145,586.28-57,750.16

Finding the Fourth Proportional to 105,497.68, 145,586.28 and 57,750.16

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Solution

The fourth proportional to 105,497.68, 145,586.28 and 57,750.16 is: 79,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,497.68 : 145,586.28 = 57,750.16 : x
  2. Step 2: Convert to fraction form
    105,497.68/145,586.28 = 57,750.16/x
  3. Step 3: Cross multiply
    105,497.68x = 145,586.28 × 57,750.16
  4. Step 4: Simplify right side
    105,497.68x = 8,407,630,963.80
  5. Step 5: Solve for x
    x = 8,407,630,963.80/105,497.68
  6. Step 6: Final answer
    x = 79,694.94

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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.