Home / 191,492.08-287,237.62-51,250.72

Finding the Fourth Proportional to 191,492.08, 287,237.62 and 51,250.72

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Solution

The fourth proportional to 191,492.08, 287,237.62 and 51,250.72 is: 76,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,492.08 : 287,237.62 = 51,250.72 : x
  2. Step 2: Convert to fraction form
    191,492.08/287,237.62 = 51,250.72/x
  3. Step 3: Cross multiply
    191,492.08x = 287,237.62 × 51,250.72
  4. Step 4: Simplify right side
    191,492.08x = 14,721,134,836.09
  5. Step 5: Solve for x
    x = 14,721,134,836.09/191,492.08
  6. Step 6: Final answer
    x = 76,875.95

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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.