Home / 191,222.01-286,822.08-72,905.31

Finding the Fourth Proportional to 191,222.01, 286,822.08 and 72,905.31

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Solution

The fourth proportional to 191,222.01, 286,822.08 and 72,905.31 is: 109,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,222.01 : 286,822.08 = 72,905.31 : x
  2. Step 2: Convert to fraction form
    191,222.01/286,822.08 = 72,905.31/x
  3. Step 3: Cross multiply
    191,222.01x = 286,822.08 × 72,905.31
  4. Step 4: Simplify right side
    191,222.01x = 20,910,852,657.24
  5. Step 5: Solve for x
    x = 20,910,852,657.24/191,222.01
  6. Step 6: Final answer
    x = 109,353.80

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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.