Home / 172,947.40-238,631.02-105,000.08

Finding the Fourth Proportional to 172,947.40, 238,631.02 and 105,000.08

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Solution

The fourth proportional to 172,947.40, 238,631.02 and 105,000.08 is: 144,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,947.40 : 238,631.02 = 105,000.08 : x
  2. Step 2: Convert to fraction form
    172,947.40/238,631.02 = 105,000.08/x
  3. Step 3: Cross multiply
    172,947.40x = 238,631.02 × 105,000.08
  4. Step 4: Simplify right side
    172,947.40x = 25,056,276,190.48
  5. Step 5: Solve for x
    x = 25,056,276,190.48/172,947.40
  6. Step 6: Final answer
    x = 144,878.02

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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.