Home / 152,612.20-228,918.30-135,699.40

Finding the Fourth Proportional to 152,612.20, 228,918.30 and 135,699.40

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Solution

The fourth proportional to 152,612.20, 228,918.30 and 135,699.40 is: 203,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,612.20 : 228,918.30 = 135,699.40 : x
  2. Step 2: Convert to fraction form
    152,612.20/228,918.30 = 135,699.40/x
  3. Step 3: Cross multiply
    152,612.20x = 228,918.30 × 135,699.40
  4. Step 4: Simplify right side
    152,612.20x = 31,064,075,959.02
  5. Step 5: Solve for x
    x = 31,064,075,959.02/152,612.20
  6. Step 6: Final answer
    x = 203,549.10

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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.