Home / 170,136.15-255,204.22-51,807.50

Finding the Fourth Proportional to 170,136.15, 255,204.22 and 51,807.50

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Solution

The fourth proportional to 170,136.15, 255,204.22 and 51,807.50 is: 77,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,136.15 : 255,204.22 = 51,807.50 : x
  2. Step 2: Convert to fraction form
    170,136.15/255,204.22 = 51,807.50/x
  3. Step 3: Cross multiply
    170,136.15x = 255,204.22 × 51,807.50
  4. Step 4: Simplify right side
    170,136.15x = 13,221,492,276.27
  5. Step 5: Solve for x
    x = 13,221,492,276.27/170,136.15
  6. Step 6: Final answer
    x = 77,711.25

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1.5x scale

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.