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Finding the Fourth Proportional to 152,154.18, 209,901.99 and 98,456.52

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Solution

The fourth proportional to 152,154.18, 209,901.99 and 98,456.52 is: 135,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,154.18 : 209,901.99 = 98,456.52 : x
  2. Step 2: Convert to fraction form
    152,154.18/209,901.99 = 98,456.52/x
  3. Step 3: Cross multiply
    152,154.18x = 209,901.99 × 98,456.52
  4. Step 4: Simplify right side
    152,154.18x = 20,666,219,476.47
  5. Step 5: Solve for x
    x = 20,666,219,476.47/152,154.18
  6. Step 6: Final answer
    x = 135,824.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.