Home / 191,113.52-286,795.02-72,786.02

Finding the Fourth Proportional to 191,113.52, 286,795.02 and 72,786.02

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Solution

The fourth proportional to 191,113.52, 286,795.02 and 72,786.02 is: 109,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,113.52 : 286,795.02 = 72,786.02 : x
  2. Step 2: Convert to fraction form
    191,113.52/286,795.02 = 72,786.02/x
  3. Step 3: Cross multiply
    191,113.52x = 286,795.02 × 72,786.02
  4. Step 4: Simplify right side
    191,113.52x = 20,874,668,061.62
  5. Step 5: Solve for x
    x = 20,874,668,061.62/191,113.52
  6. Step 6: Final answer
    x = 109,226.54

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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.