Home / 96,288.45-144,159.30-91,051.80

Finding the Fourth Proportional to 96,288.45, 144,159.30 and 91,051.80

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Solution

The fourth proportional to 96,288.45, 144,159.30 and 91,051.80 is: 136,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,288.45 : 144,159.30 = 91,051.80 : x
  2. Step 2: Convert to fraction form
    96,288.45/144,159.30 = 91,051.80/x
  3. Step 3: Cross multiply
    96,288.45x = 144,159.30 × 91,051.80
  4. Step 4: Simplify right side
    96,288.45x = 13,125,963,751.74
  5. Step 5: Solve for x
    x = 13,125,963,751.74/96,288.45
  6. Step 6: Final answer
    x = 136,319.19

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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.