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Finding the Fourth Proportional to 145,649.77, 218,252.10 and 98,089

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Solution

The fourth proportional to 145,649.77, 218,252.10 and 98,089 is: 146,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,649.77 : 218,252.10 = 98,089 : x
  2. Step 2: Convert to fraction form
    145,649.77/218,252.10 = 98,089/x
  3. Step 3: Cross multiply
    145,649.77x = 218,252.10 × 98,089
  4. Step 4: Simplify right side
    145,649.77x = 21,408,130,236.90
  5. Step 5: Solve for x
    x = 21,408,130,236.90/145,649.77
  6. Step 6: Final answer
    x = 146,983.62

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1.5x scale

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.