Home / 243,036.08-364,727.71-108,136.45

Finding the Fourth Proportional to 243,036.08, 364,727.71 and 108,136.45

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Solution

The fourth proportional to 243,036.08, 364,727.71 and 108,136.45 is: 162,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,036.08 : 364,727.71 = 108,136.45 : x
  2. Step 2: Convert to fraction form
    243,036.08/364,727.71 = 108,136.45/x
  3. Step 3: Cross multiply
    243,036.08x = 364,727.71 × 108,136.45
  4. Step 4: Simplify right side
    243,036.08x = 39,440,360,367.11
  5. Step 5: Solve for x
    x = 39,440,360,367.11/243,036.08
  6. Step 6: Final answer
    x = 162,281.92

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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.