Home / 144,397.40-216,563.70-69,479.29

Finding the Fourth Proportional to 144,397.40, 216,563.70 and 69,479.29

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Solution

The fourth proportional to 144,397.40, 216,563.70 and 69,479.29 is: 104,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,397.40 : 216,563.70 = 69,479.29 : x
  2. Step 2: Convert to fraction form
    144,397.40/216,563.70 = 69,479.29/x
  3. Step 3: Cross multiply
    144,397.40x = 216,563.70 × 69,479.29
  4. Step 4: Simplify right side
    144,397.40x = 15,046,692,115.77
  5. Step 5: Solve for x
    x = 15,046,692,115.77/144,397.40
  6. Step 6: Final answer
    x = 104,203.35

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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.