Home / 144,707.20-216,638.40-103,235.20

Finding the Fourth Proportional to 144,707.20, 216,638.40 and 103,235.20

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Solution

The fourth proportional to 144,707.20, 216,638.40 and 103,235.20 is: 154,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,707.20 : 216,638.40 = 103,235.20 : x
  2. Step 2: Convert to fraction form
    144,707.20/216,638.40 = 103,235.20/x
  3. Step 3: Cross multiply
    144,707.20x = 216,638.40 × 103,235.20
  4. Step 4: Simplify right side
    144,707.20x = 22,364,708,551.68
  5. Step 5: Solve for x
    x = 22,364,708,551.68/144,707.20
  6. Step 6: Final answer
    x = 154,551.46

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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.