Home / 145,811.14-199,907.04-143,153.93

Finding the Fourth Proportional to 145,811.14, 199,907.04 and 143,153.93

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Solution

The fourth proportional to 145,811.14, 199,907.04 and 143,153.93 is: 196,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,811.14 : 199,907.04 = 143,153.93 : x
  2. Step 2: Convert to fraction form
    145,811.14/199,907.04 = 143,153.93/x
  3. Step 3: Cross multiply
    145,811.14x = 199,907.04 × 143,153.93
  4. Step 4: Simplify right side
    145,811.14x = 28,617,478,410.67
  5. Step 5: Solve for x
    x = 28,617,478,410.67/145,811.14
  6. Step 6: Final answer
    x = 196,264.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.