Home / 145,423.28-200,618.53-84,966.74

Finding the Fourth Proportional to 145,423.28, 200,618.53 and 84,966.74

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Solution

The fourth proportional to 145,423.28, 200,618.53 and 84,966.74 is: 117,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,423.28 : 200,618.53 = 84,966.74 : x
  2. Step 2: Convert to fraction form
    145,423.28/200,618.53 = 84,966.74/x
  3. Step 3: Cross multiply
    145,423.28x = 200,618.53 × 84,966.74
  4. Step 4: Simplify right side
    145,423.28x = 17,045,902,611.92
  5. Step 5: Solve for x
    x = 17,045,902,611.92/145,423.28
  6. Step 6: Final answer
    x = 117,215.78

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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.