Home / 152,140.86-209,883.74-98,443.22

Finding the Fourth Proportional to 152,140.86, 209,883.74 and 98,443.22

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Solution

The fourth proportional to 152,140.86, 209,883.74 and 98,443.22 is: 135,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,140.86 : 209,883.74 = 98,443.22 : x
  2. Step 2: Convert to fraction form
    152,140.86/209,883.74 = 98,443.22/x
  3. Step 3: Cross multiply
    152,140.86x = 209,883.74 × 98,443.22
  4. Step 4: Simplify right side
    152,140.86x = 20,661,629,649.61
  5. Step 5: Solve for x
    x = 20,661,629,649.61/152,140.86
  6. Step 6: Final answer
    x = 135,805.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.