Home / 95,572.48-143,116.80-70,620.16

Finding the Fourth Proportional to 95,572.48, 143,116.80 and 70,620.16

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Solution

The fourth proportional to 95,572.48, 143,116.80 and 70,620.16 is: 105,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,572.48 : 143,116.80 = 70,620.16 : x
  2. Step 2: Convert to fraction form
    95,572.48/143,116.80 = 70,620.16/x
  3. Step 3: Cross multiply
    95,572.48x = 143,116.80 × 70,620.16
  4. Step 4: Simplify right side
    95,572.48x = 10,106,931,314.69
  5. Step 5: Solve for x
    x = 10,106,931,314.69/95,572.48
  6. Step 6: Final answer
    x = 105,751.48

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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.