Home / 144,282.24-216,129.36-69,173.40

Finding the Fourth Proportional to 144,282.24, 216,129.36 and 69,173.40

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Solution

The fourth proportional to 144,282.24, 216,129.36 and 69,173.40 is: 103,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,282.24 : 216,129.36 = 69,173.40 : x
  2. Step 2: Convert to fraction form
    144,282.24/216,129.36 = 69,173.40/x
  3. Step 3: Cross multiply
    144,282.24x = 216,129.36 × 69,173.40
  4. Step 4: Simplify right side
    144,282.24x = 14,950,402,671.02
  5. Step 5: Solve for x
    x = 14,950,402,671.02/144,282.24
  6. Step 6: Final answer
    x = 103,619.15

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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.