Home / 154,733.85-232,075.86-42,387.80

Finding the Fourth Proportional to 154,733.85, 232,075.86 and 42,387.80

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Solution

The fourth proportional to 154,733.85, 232,075.86 and 42,387.80 is: 63,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,733.85 : 232,075.86 = 42,387.80 : x
  2. Step 2: Convert to fraction form
    154,733.85/232,075.86 = 42,387.80/x
  3. Step 3: Cross multiply
    154,733.85x = 232,075.86 × 42,387.80
  4. Step 4: Simplify right side
    154,733.85x = 9,837,183,978.13
  5. Step 5: Solve for x
    x = 9,837,183,978.13/154,733.85
  6. Step 6: Final answer
    x = 63,574.87

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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.