Home / 145,798.48-201,166.50-82,136.20

Finding the Fourth Proportional to 145,798.48, 201,166.50 and 82,136.20

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Solution

The fourth proportional to 145,798.48, 201,166.50 and 82,136.20 is: 113,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,798.48 : 201,166.50 = 82,136.20 : x
  2. Step 2: Convert to fraction form
    145,798.48/201,166.50 = 82,136.20/x
  3. Step 3: Cross multiply
    145,798.48x = 201,166.50 × 82,136.20
  4. Step 4: Simplify right side
    145,798.48x = 16,523,051,877.30
  5. Step 5: Solve for x
    x = 16,523,051,877.30/145,798.48
  6. Step 6: Final answer
    x = 113,328.01

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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.