Home / 454,618.15-681,902.48-139,075.05

Finding the Fourth Proportional to 454,618.15, 681,902.48 and 139,075.05

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Solution

The fourth proportional to 454,618.15, 681,902.48 and 139,075.05 is: 208,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,618.15 : 681,902.48 = 139,075.05 : x
  2. Step 2: Convert to fraction form
    454,618.15/681,902.48 = 139,075.05/x
  3. Step 3: Cross multiply
    454,618.15x = 681,902.48 × 139,075.05
  4. Step 4: Simplify right side
    454,618.15x = 94,835,621,501.12
  5. Step 5: Solve for x
    x = 94,835,621,501.12/454,618.15
  6. Step 6: Final answer
    x = 208,605.01

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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.