Home / 160,221.16-240,329.11-65,430.51

Finding the Fourth Proportional to 160,221.16, 240,329.11 and 65,430.51

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Solution

The fourth proportional to 160,221.16, 240,329.11 and 65,430.51 is: 98,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,221.16 : 240,329.11 = 65,430.51 : x
  2. Step 2: Convert to fraction form
    160,221.16/240,329.11 = 65,430.51/x
  3. Step 3: Cross multiply
    160,221.16x = 240,329.11 × 65,430.51
  4. Step 4: Simplify right side
    160,221.16x = 15,724,856,235.15
  5. Step 5: Solve for x
    x = 15,724,856,235.15/160,221.16
  6. Step 6: Final answer
    x = 98,144.69

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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.