Home / 145,423.26-218,017.21-65,402.62

Finding the Fourth Proportional to 145,423.26, 218,017.21 and 65,402.62

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Solution

The fourth proportional to 145,423.26, 218,017.21 and 65,402.62 is: 98,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,423.26 : 218,017.21 = 65,402.62 : x
  2. Step 2: Convert to fraction form
    145,423.26/218,017.21 = 65,402.62/x
  3. Step 3: Cross multiply
    145,423.26x = 218,017.21 × 65,402.62
  4. Step 4: Simplify right side
    145,423.26x = 14,258,895,649.00
  5. Step 5: Solve for x
    x = 14,258,895,649.00/145,423.26
  6. Step 6: Final answer
    x = 98,051.00

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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.