Home / 88,717.10-133,075.65-87,259.10

Finding the Fourth Proportional to 88,717.10, 133,075.65 and 87,259.10

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Solution

The fourth proportional to 88,717.10, 133,075.65 and 87,259.10 is: 130,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.10 : 133,075.65 = 87,259.10 : x
  2. Step 2: Convert to fraction form
    88,717.10/133,075.65 = 87,259.10/x
  3. Step 3: Cross multiply
    88,717.10x = 133,075.65 × 87,259.10
  4. Step 4: Simplify right side
    88,717.10x = 11,612,061,450.92
  5. Step 5: Solve for x
    x = 11,612,061,450.92/88,717.10
  6. Step 6: Final answer
    x = 130,888.65

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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.