Home / 152,130.96-209,915.28-88,471.44

Finding the Fourth Proportional to 152,130.96, 209,915.28 and 88,471.44

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Solution

The fourth proportional to 152,130.96, 209,915.28 and 88,471.44 is: 122,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,130.96 : 209,915.28 = 88,471.44 : x
  2. Step 2: Convert to fraction form
    152,130.96/209,915.28 = 88,471.44/x
  3. Step 3: Cross multiply
    152,130.96x = 209,915.28 × 88,471.44
  4. Step 4: Simplify right side
    152,130.96x = 18,571,507,099.60
  5. Step 5: Solve for x
    x = 18,571,507,099.60/152,130.96
  6. Step 6: Final answer
    x = 122,075.79

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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.