Home / 144,406.17-216,428.63-69,506.28

Finding the Fourth Proportional to 144,406.17, 216,428.63 and 69,506.28

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Solution

The fourth proportional to 144,406.17, 216,428.63 and 69,506.28 is: 104,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,406.17 : 216,428.63 = 69,506.28 : x
  2. Step 2: Convert to fraction form
    144,406.17/216,428.63 = 69,506.28/x
  3. Step 3: Cross multiply
    144,406.17x = 216,428.63 × 69,506.28
  4. Step 4: Simplify right side
    144,406.17x = 15,043,148,609.27
  5. Step 5: Solve for x
    x = 15,043,148,609.27/144,406.17
  6. Step 6: Final answer
    x = 104,172.48

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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.