Home / 96,075.76-144,114.72-75,430.48

Finding the Fourth Proportional to 96,075.76, 144,114.72 and 75,430.48

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Solution

The fourth proportional to 96,075.76, 144,114.72 and 75,430.48 is: 113,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,075.76 : 144,114.72 = 75,430.48 : x
  2. Step 2: Convert to fraction form
    96,075.76/144,114.72 = 75,430.48/x
  3. Step 3: Cross multiply
    96,075.76x = 144,114.72 × 75,430.48
  4. Step 4: Simplify right side
    96,075.76x = 10,870,642,504.67
  5. Step 5: Solve for x
    x = 10,870,642,504.67/96,075.76
  6. Step 6: Final answer
    x = 113,146.57

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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.