Home / 145,514.10-218,271.15-98,858.10

Finding the Fourth Proportional to 145,514.10, 218,271.15 and 98,858.10

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Solution

The fourth proportional to 145,514.10, 218,271.15 and 98,858.10 is: 148,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514.10 : 218,271.15 = 98,858.10 : x
  2. Step 2: Convert to fraction form
    145,514.10/218,271.15 = 98,858.10/x
  3. Step 3: Cross multiply
    145,514.10x = 218,271.15 × 98,858.10
  4. Step 4: Simplify right side
    145,514.10x = 21,577,871,173.82
  5. Step 5: Solve for x
    x = 21,577,871,173.82/145,514.10
  6. Step 6: Final answer
    x = 148,287.15

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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.