Home / 153,131.60-229,438.20-74,075.60

Finding the Fourth Proportional to 153,131.60, 229,438.20 and 74,075.60

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Solution

The fourth proportional to 153,131.60, 229,438.20 and 74,075.60 is: 110,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,131.60 : 229,438.20 = 74,075.60 : x
  2. Step 2: Convert to fraction form
    153,131.60/229,438.20 = 74,075.60/x
  3. Step 3: Cross multiply
    153,131.60x = 229,438.20 × 74,075.60
  4. Step 4: Simplify right side
    153,131.60x = 16,995,772,327.92
  5. Step 5: Solve for x
    x = 16,995,772,327.92/153,131.60
  6. Step 6: Final answer
    x = 110,988.02

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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.