Home / 141,529.16-195,229.12-88,445

Finding the Fourth Proportional to 141,529.16, 195,229.12 and 88,445

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Solution

The fourth proportional to 141,529.16, 195,229.12 and 88,445 is: 122,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,529.16 : 195,229.12 = 88,445 : x
  2. Step 2: Convert to fraction form
    141,529.16/195,229.12 = 88,445/x
  3. Step 3: Cross multiply
    141,529.16x = 195,229.12 × 88,445
  4. Step 4: Simplify right side
    141,529.16x = 17,267,039,518.40
  5. Step 5: Solve for x
    x = 17,267,039,518.40/141,529.16
  6. Step 6: Final answer
    x = 122,003.41

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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.