Home / 145,946.99-201,399.02-82,280.68

Finding the Fourth Proportional to 145,946.99, 201,399.02 and 82,280.68

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Solution

The fourth proportional to 145,946.99, 201,399.02 and 82,280.68 is: 113,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.99 : 201,399.02 = 82,280.68 : x
  2. Step 2: Convert to fraction form
    145,946.99/201,399.02 = 82,280.68/x
  3. Step 3: Cross multiply
    145,946.99x = 201,399.02 × 82,280.68
  4. Step 4: Simplify right side
    145,946.99x = 16,571,248,316.93
  5. Step 5: Solve for x
    x = 16,571,248,316.93/145,946.99
  6. Step 6: Final answer
    x = 113,542.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.