Home / 528,075.10-792,112.65-173,100.70

Finding the Fourth Proportional to 528,075.10, 792,112.65 and 173,100.70

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Solution

The fourth proportional to 528,075.10, 792,112.65 and 173,100.70 is: 259,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,075.10 : 792,112.65 = 173,100.70 : x
  2. Step 2: Convert to fraction form
    528,075.10/792,112.65 = 173,100.70/x
  3. Step 3: Cross multiply
    528,075.10x = 792,112.65 × 173,100.70
  4. Step 4: Simplify right side
    528,075.10x = 137,115,254,193.86
  5. Step 5: Solve for x
    x = 137,115,254,193.86/528,075.10
  6. Step 6: Final answer
    x = 259,651.05

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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.